40606280 has 128 divisors (see below), whose sum is σ = 111283200. Its totient is φ = 13132800.

The previous prime is 40606273. The next prime is 40606283. The reversal of 40606280 is 8260604.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (40606283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177206 + ... + 177434.

It is an arithmetic number, because the mean of its divisors is an integer number (869400).

Almost surely, 2^40606280 is an apocalyptic number.

40606280 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 40606280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55641600).

40606280 is an abundant number, since it is smaller than the sum of its proper divisors (70676920).

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

40606280 is a wasteful number, since it uses less digits than its factorization.

40606280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 40606280 is about 6372.3057051588. The cubic root of 40606280 is about 343.7144060115.

Adding to 40606280 its reverse (8260604), we get a palindrome (48866884).

The spelling of 40606280 in words is "forty million, six hundred six thousand, two hundred eighty".