40038755379 has 32 divisors (see below), whose sum is σ = 62580756480. Its totient is φ = 22297680000.

The previous prime is 40038755359. The next prime is 40038755381. The reversal of 40038755379 is 97355783004.

It is not a de Polignac number, because 40038755379 - 2¹⁵ = 40038722611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40038755359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3747 + ... + 283004.

It is an arithmetic number, because the mean of its divisors is an integer number (1955648640).

Almost surely, 2^40038755379 is an apocalyptic number.

40038755379 is a deficient number, since it is larger than the sum of its proper divisors (22542001101).

40038755379 is a wasteful number, since it uses less digits than its factorization.

40038755379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286931.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 40038755379 in words is "forty billion, thirty-eight million, seven hundred fifty-five thousand, three hundred seventy-nine".