40400933915 has 8 divisors (see below), whose sum is σ = 48568163760. Its totient is φ = 32262718432.

The previous prime is 40400933849. The next prime is 40400933941. The reversal of 40400933915 is 51933900404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40400933915 - 2¹⁸ = 40400671771 is a prime.

It is a super-2 number, since 2×40400933915² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7250525 + ... + 7256094.

It is an arithmetic number, because the mean of its divisors is an integer number (6071020470).

Almost surely, 2^40400933915 is an apocalyptic number.

40400933915 is a deficient number, since it is larger than the sum of its proper divisors (8167229845).

40400933915 is a wasteful number, since it uses less digits than its factorization.

40400933915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14507181.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 40400933915 in words is "forty billion, four hundred million, nine hundred thirty-three thousand, nine hundred fifteen".