40153960 has 64 divisors (see below), whose sum is σ = 112648320. Its totient is φ = 12514560.

The previous prime is 40153957. The next prime is 40153961. The reversal of 40153960 is 6935104.

It is a super-2 number, since 2×40153960² = 3224681007363200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (40153961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3439 + ... + 9598.

It is an arithmetic number, because the mean of its divisors is an integer number (1760130).

Almost surely, 2^40153960 is an apocalyptic number.

40153960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40153960 is an abundant number, since it is smaller than the sum of its proper divisors (72494360).

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

40153960 is a wasteful number, since it uses less digits than its factorization.

40153960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13066 (or 13062 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 40153960 is about 6336.7152374081. The cubic root of 40153960 is about 342.4334074094.

The spelling of 40153960 in words is "forty million, one hundred fifty-three thousand, nine hundred sixty".