40532415 has 64 divisors (see below), whose sum is σ = 85155840. Its totient is φ = 15949440.

The previous prime is 40532399. The next prime is 40532423. The reversal of 40532415 is 51423504.

It is not a de Polignac number, because 40532415 - 2⁴ = 40532399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21022 + ... + 22868.

It is an arithmetic number, because the mean of its divisors is an integer number (1330560).

Almost surely, 2^40532415 is an apocalyptic number.

40532415 is an abundant number, since it is smaller than the sum of its proper divisors (44623425).

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

40532415 is a wasteful number, since it uses less digits than its factorization.

40532415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40532415 is about 6366.5072842179. The cubic root of 40532415 is about 343.5058678699.

Adding to 40532415 its reverse (51423504), we get a palindrome (91955919).

The spelling of 40532415 in words is "forty million, five hundred thirty-two thousand, four hundred fifteen".