1901272205264 has 40 divisors (see below), whose sum is σ = 3762245950848. Its totient is φ = 930371682560.

The previous prime is 1901272205263. The next prime is 1901272205269. The reversal of 1901272205264 is 4625022721091.

It is a super-2 number, since 2×1901272205264² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901272205263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29574884 + ... + 29639100.

Almost surely, 2^{1901272205264} is an apocalyptic number.

It is an amenable number.

1901272205264 is a deficient number, since it is larger than the sum of its proper divisors (1860973745584).

1901272205264 is a wasteful number, since it uses less digits than its factorization.

1901272205264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103643 (or 103637 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 1901272205264 in words is "one trillion, nine hundred one billion, two hundred seventy-two million, two hundred five thousand, two hundred sixty-four".