10400255354421 has 12 divisors (see below), whose sum is σ = 15813253755520. Its totient is φ = 6568582329000.

The previous prime is 10400255354389. The next prime is 10400255354443. The reversal of 10400255354421 is 12445355200401.

10400255354421 is a `hidden beast` number, since 1 + 0 + 40 + 0 + 2 + 5 + 53 + 544 + 21 = 666.

It is not a de Polignac number, because 10400255354421 - 2⁵ = 10400255354389 is a prime.

It is a super-2 number, since 2×10400255354421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400255354471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30410103205 + ... + 30410103546.

Almost surely, 2^{10400255354421} is an apocalyptic number.

It is an amenable number.

10400255354421 is a deficient number, since it is larger than the sum of its proper divisors (5412998401099).

10400255354421 is a wasteful number, since it uses less digits than its factorization.

10400255354421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60820206776 (or 60820206773 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 10400255354421 in words is "ten trillion, four hundred billion, two hundred fifty-five million, three hundred fifty-four thousand, four hundred twenty-one".