40100421304455 has 32 divisors (see below), whose sum is σ = 64994098996224. Its totient is φ = 21110526224256.

The previous prime is 40100421304421. The next prime is 40100421304481. The reversal of 40100421304455 is 55440312400104.

It is a happy number.

It is not a de Polignac number, because 40100421304455 - 2³² = 40096126337159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44654127 + ... + 45543296.

It is an arithmetic number, because the mean of its divisors is an integer number (2031065593632).

Almost surely, 2^{40100421304455} is an apocalyptic number.

40100421304455 is a deficient number, since it is larger than the sum of its proper divisors (24893677691769).

40100421304455 is a wasteful number, since it uses less digits than its factorization.

40100421304455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90197815.

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

Adding to 40100421304455 its reverse (55440312400104), we get a palindrome (95540733704559).

The spelling of 40100421304455 in words is "forty trillion, one hundred billion, four hundred twenty-one million, three hundred four thousand, four hundred fifty-five".