401664454235514 has 32 divisors (see below), whose sum is σ = 892807688317440. Its totient is φ = 133855149576096.

The previous prime is 401664454235497. The next prime is 401664454235521. The reversal of 401664454235514 is 415532454466104.

401664454235514 is a `hidden beast` number, since 4 + 0 + 1 + 6 + 6 + 4 + 45 + 42 + 3 + 551 + 4 = 666.

It is a super-2 number, since 2×401664454235514² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon 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, 916496554 + ... + 916934709.

It is an arithmetic number, because the mean of its divisors is an integer number (27900240259920).

Almost surely, 2^{401664454235514} is an apocalyptic number.

401664454235514 is an abundant number, since it is smaller than the sum of its proper divisors (491143234081926).

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

401664454235514 is a wasteful number, since it uses less digits than its factorization.

401664454235514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833435331 (or 1833435325 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 54.

The spelling of 401664454235514 in words is "four hundred one trillion, six hundred sixty-four billion, four hundred fifty-four million, two hundred thirty-five thousand, five hundred fourteen".