40401513891390 has 64 divisors (see below), whose sum is σ = 103046223237120. Its totient is φ = 10102570836480.

The previous prime is 40401513891377. The next prime is 40401513891443. The reversal of 40401513891390 is 9319831510404.

It is a super-2 number, since 2×40401513891390² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146021670 + ... + 146298089.

It is an arithmetic number, because the mean of its divisors is an integer number (1610097238080).

Almost surely, 2^{40401513891390} is an apocalyptic number.

40401513891390 is an abundant number, since it is smaller than the sum of its proper divisors (62644709345730).

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

40401513891390 is a wasteful number, since it uses less digits than its factorization.

40401513891390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292320057.

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 40401513891390 in words is "forty trillion, four hundred one billion, five hundred thirteen million, eight hundred ninety-one thousand, three hundred ninety".