40532915 has 4 divisors (see below), whose sum is σ = 48639504. Its totient is φ = 32426328.

The previous prime is 40532911. The next prime is 40532927. The reversal of 40532915 is 51923504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40532915 - 2² = 40532911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40532911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4053287 + ... + 4053296.

It is an arithmetic number, because the mean of its divisors is an integer number (12159876).

Almost surely, 2^40532915 is an apocalyptic number.

40532915 is a deficient number, since it is larger than the sum of its proper divisors (8106589).

40532915 is an equidigital number, since it uses as much as digits as its factorization.

40532915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8106588.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 40532915 is about 6366.5465520956. The cubic root of 40532915 is about 343.5072803380.

The spelling of 40532915 in words is "forty million, five hundred thirty-two thousand, nine hundred fifteen".