4405154501421 has 8 divisors (see below), whose sum is σ = 6526154816960. Its totient is φ = 2936769667596.

The previous prime is 4405154501401. The next prime is 4405154501437. The reversal of 4405154501421 is 1241054515044.

4405154501421 is a `hidden beast` number, since 4 + 40 + 51 + 545 + 0 + 1 + 4 + 21 = 666.

It is not a de Polignac number, because 4405154501421 - 2⁶ = 4405154501357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405154501401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81576935185 + ... + 81576935238.

It is an arithmetic number, because the mean of its divisors is an integer number (815769352120).

Almost surely, 2^{4405154501421} is an apocalyptic number.

It is an amenable number.

4405154501421 is a deficient number, since it is larger than the sum of its proper divisors (2121000315539).

4405154501421 is a wasteful number, since it uses less digits than its factorization.

4405154501421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163153870432 (or 163153870426 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 4405154501421 in words is "four trillion, four hundred five billion, one hundred fifty-four million, five hundred one thousand, four hundred twenty-one".