40492560 has 40 divisors (see below), whose sum is σ = 125527680. Its totient is φ = 10797952.

The previous prime is 40492559. The next prime is 40492561. The reversal of 40492560 is 6529404.

It is an interprime number because it is at equal distance from previous prime (40492559) and next prime (40492561).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (40492561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84120 + ... + 84599.

It is an arithmetic number, because the mean of its divisors is an integer number (3138192).

Almost surely, 2^40492560 is an apocalyptic number.

40492560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40492560 is an abundant number, since it is smaller than the sum of its proper divisors (85035120).

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

40492560 is a wasteful number, since it uses less digits than its factorization.

40492560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168735 (or 168729 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 40492560 is about 6363.3764622251. The cubic root of 40492560 is about 343.3932426536.

The spelling of 40492560 in words is "forty million, four hundred ninety-two thousand, five hundred sixty".