401772374462365 has 16 divisors (see below), whose sum is σ = 488188268637696. Its totient is φ = 317397945312000.

The previous prime is 401772374462351. The next prime is 401772374462383. The reversal of 401772374462365 is 563264473277104.

It is a happy number.

It is not a de Polignac number, because 401772374462365 - 2⁷ = 401772374462237 is a prime.

It is a super-2 number, since 2×401772374462365² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 1311842361 + ... + 1312148590.

It is an arithmetic number, because the mean of its divisors is an integer number (30511766789856).

Almost surely, 2^{401772374462365} is an apocalyptic number.

It is an amenable number.

401772374462365 is a deficient number, since it is larger than the sum of its proper divisors (86415894175331).

401772374462365 is a wasteful number, since it uses less digits than its factorization.

401772374462365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623991340.

The product of its (nonzero) digits is 142248960, while the sum is 61.

The spelling of 401772374462365 in words is "four hundred one trillion, seven hundred seventy-two billion, three hundred seventy-four million, four hundred sixty-two thousand, three hundred sixty-five".