40021513052000 has 48 divisors (see below), whose sum is σ = 98332857578592. Its totient is φ = 16008605219200.

The previous prime is 40021513051997. The next prime is 40021513052041. The reversal of 40021513052000 is 25031512004.

It is a congruent number.

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, 5002685132 + ... + 5002693131.

It is an arithmetic number, because the mean of its divisors is an integer number (2048601199554).

Almost surely, 2^{40021513052000} is an apocalyptic number.

40021513052000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40021513052000 is an abundant number, since it is smaller than the sum of its proper divisors (58311344526592).

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

40021513052000 is a wasteful number, since it uses less digits than its factorization.

40021513052000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005378288 (or 10005378270 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 40021513052000 its reverse (25031512004), we get a palindrome (40046544564004).

The spelling of 40021513052000 in words is "forty trillion, twenty-one billion, five hundred thirteen million, fifty-two thousand".