40915896 has 64 divisors (see below), whose sum is σ = 121996800. Its totient is φ = 11180928.

The previous prime is 40915879. The next prime is 40915913. The reversal of 40915896 is 69851904.

It is an interprime number because it is at equal distance from previous prime (40915879) and next prime (40915913).

It is a super-2 number, since 2×40915896² = 3348221090965632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1431 + ... + 9158.

It is an arithmetic number, because the mean of its divisors is an integer number (1906200).

Almost surely, 2^40915896 is an apocalyptic number.

40915896 is a gapful number since it is divisible by the number (46) 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 40915896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60998400).

40915896 is an abundant number, since it is smaller than the sum of its proper divisors (81080904).

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

40915896 is a wasteful number, since it uses less digits than its factorization.

40915896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10628 (or 10624 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 40915896 is about 6396.5534469744. The cubic root of 40915896 is about 344.5857830715.

The spelling of 40915896 in words is "forty million, nine hundred fifteen thousand, eight hundred ninety-six".