40010292 has 36 divisors (see below), whose sum is σ = 115586016. Its totient is φ = 11431440.

The previous prime is 40010291. The next prime is 40010309. The reversal of 40010292 is 29201004.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40010291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79134 + ... + 79637.

Almost surely, 2^40010292 is an apocalyptic number.

40010292 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40010292 is an abundant number, since it is smaller than the sum of its proper divisors (75575724).

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

40010292 is a wasteful number, since it uses less digits than its factorization.

40010292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158788 (or 158783 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 40010292 is about 6325.3689220472. The cubic root of 40010292 is about 342.0245186074.

Adding to 40010292 its reverse (29201004), we get a palindrome (69211296).

The spelling of 40010292 in words is "forty million, ten thousand, two hundred ninety-two".