40401515013774 has 32 divisors (see below), whose sum is σ = 82913420820384. Its totient is φ = 13116547691520.

The previous prime is 40401515013773. The next prime is 40401515013793. The reversal of 40401515013774 is 47731051510404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40401515013773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138331189 + ... + 138622944.

It is an arithmetic number, because the mean of its divisors is an integer number (2591044400637).

Almost surely, 2^{40401515013774} is an apocalyptic number.

40401515013774 is an abundant number, since it is smaller than the sum of its proper divisors (42511905806610).

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

40401515013774 is a wasteful number, since it uses less digits than its factorization.

40401515013774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276954772.

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 40401515013774 in words is "forty trillion, four hundred one billion, five hundred fifteen million, thirteen thousand, seven hundred seventy-four".