29621640757152 has 96 divisors (see below), whose sum is σ = 81145434448512. Its totient is φ = 9443661917184.

The previous prime is 29621640757147. The next prime is 29621640757169. The reversal of 29621640757152 is 25175704612692.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×29621640757152² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29621640757092 and 29621640757101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22220598 + ... + 23515914.

It is an arithmetic number, because the mean of its divisors is an integer number (845264942172).

Almost surely, 2^{29621640757152} is an apocalyptic number.

It is an amenable number.

29621640757152 is an abundant number, since it is smaller than the sum of its proper divisors (51523793691360).

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

29621640757152 is a wasteful number, since it uses less digits than its factorization.

29621640757152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305710 (or 1305702 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 29621640757152 in words is "twenty-nine trillion, six hundred twenty-one billion, six hundred forty million, seven hundred fifty-seven thousand, one hundred fifty-two".