40945216405401 has 96 divisors (see below), whose sum is σ = 74018449410048. Its totient is φ = 21189116229120.

The previous prime is 40945216405399. The next prime is 40945216405411. The reversal of 40945216405401 is 10450461254904.

40945216405401 is a `hidden beast` number, since 4 + 0 + 9 + 4 + 52 + 16 + 40 + 540 + 1 = 666.

It is not a de Polignac number, because 40945216405401 - 2¹ = 40945216405399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40945216405411) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 277139316 + ... + 277287018.

It is an arithmetic number, because the mean of its divisors is an integer number (771025514688).

Almost surely, 2^{40945216405401} is an apocalyptic number.

It is an amenable number.

40945216405401 is a deficient number, since it is larger than the sum of its proper divisors (33073233004647).

40945216405401 is a wasteful number, since it uses less digits than its factorization.

40945216405401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149251 (or 149248 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 40945216405401 in words is "forty trillion, nine hundred forty-five billion, two hundred sixteen million, four hundred five thousand, four hundred one".