626155602401 has 32 divisors (see below), whose sum is σ = 729890784000. Its totient is φ = 526056410880.

The previous prime is 626155602367. The next prime is 626155602407. The reversal of 626155602401 is 104206551626.

It is a de Polignac number, because none of the positive numbers 2^k-626155602401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (626155602407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245646275 + ... + 245648823.

It is an arithmetic number, because the mean of its divisors is an integer number (22809087000).

Almost surely, 2^626155602401 is an apocalyptic number.

626155602401 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

626155602401 is a deficient number, since it is larger than the sum of its proper divisors (103735181599).

626155602401 is a wasteful number, since it uses less digits than its factorization.

626155602401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 626155602401 in words is "six hundred twenty-six billion, one hundred fifty-five million, six hundred two thousand, four hundred one".