1553445501402 has 32 divisors (see below), whose sum is σ = 3120442363584. Its totient is φ = 515558160000.

The previous prime is 1553445501389. The next prime is 1553445501481. The reversal of 1553445501402 is 2041055443551.

It is a super-2 number, since 2×1553445501402² (a number of 25 digits) contains 22 as substring.

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, 3838902 + ... + 4224222.

It is an arithmetic number, because the mean of its divisors is an integer number (97513823862).

Almost surely, 2^{1553445501402} is an apocalyptic number.

1553445501402 is an abundant number, since it is smaller than the sum of its proper divisors (1566996862182).

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

1553445501402 is a wasteful number, since it uses less digits than its factorization.

1553445501402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388254.

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 1553445501402 in words is "one trillion, five hundred fifty-three billion, four hundred forty-five million, five hundred one thousand, four hundred two".