40271400 has 144 divisors (see below), whose sum is σ = 145732860. Its totient is φ = 9907200.

The previous prime is 40271381. The next prime is 40271411. The reversal of 40271400 is 417204.

It is a happy number.

40271400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 11819844 + 28451556 = 3438^2 + 5334^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22540 + ... + 24260.

Almost surely, 2^40271400 is an apocalyptic number.

40271400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40271400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72866430).

40271400 is an abundant number, since it is smaller than the sum of its proper divisors (105461460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40271400 is a wasteful number, since it uses less digits than its factorization.

40271400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756 (or 1744 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 40271400 is about 6345.9751023779. The cubic root of 40271400 is about 342.7669256677.

Adding to 40271400 its reverse (417204), we get a palindrome (40688604).

The spelling of 40271400 in words is "forty million, two hundred seventy-one thousand, four hundred".