40401604455 has 32 divisors (see below), whose sum is σ = 64938767040. Its totient is φ = 21448965120.

The previous prime is 40401604423. The next prime is 40401604459. The reversal of 40401604455 is 55440610404.

It is not a de Polignac number, because 40401604455 - 2⁵ = 40401604423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40401604459) 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, 4130811 + ... + 4140579.

It is an arithmetic number, because the mean of its divisors is an integer number (2029336470).

Almost surely, 2^40401604455 is an apocalyptic number.

40401604455 is a deficient number, since it is larger than the sum of its proper divisors (24537162585).

40401604455 is a wasteful number, since it uses less digits than its factorization.

40401604455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011.

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 40401604455 in words is "forty billion, four hundred one million, six hundred four thousand, four hundred fifty-five".