40395562726401 has 24 divisors (see below), whose sum is σ = 58561470873984. Its totient is φ = 26832384704160.

The previous prime is 40395562726339. The next prime is 40395562726411. The reversal of 40395562726401 is 10462726559304.

It is a happy number.

40395562726401 is a `hidden beast` number, since 4 + 0 + 3 + 9 + 5 + 5 + 627 + 2 + 6 + 4 + 0 + 1 = 666.

It is not a de Polignac number, because 40395562726401 - 2¹⁷ = 40395562595329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40395562726411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94548280 + ... + 94974566.

It is an arithmetic number, because the mean of its divisors is an integer number (2440061286416).

Almost surely, 2^{40395562726401} is an apocalyptic number.

It is an amenable number.

40395562726401 is a deficient number, since it is larger than the sum of its proper divisors (18165908147583).

40395562726401 is a wasteful number, since it uses less digits than its factorization.

40395562726401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464581 (or 464578 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 40395562726401 in words is "forty trillion, three hundred ninety-five billion, five hundred sixty-two million, seven hundred twenty-six thousand, four hundred one".