421055461154 has 16 divisors (see below), whose sum is σ = 648036340056. Its totient is φ = 205059993600.

The previous prime is 421055461103. The next prime is 421055461181. The reversal of 421055461154 is 451164550124.

It can be written as a sum of positive squares in 4 ways, for example, as 19257945529 + 401797515625 = 138773^2 + 633875^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4110527 + ... + 4211714.

Almost surely, 2^421055461154 is an apocalyptic number.

421055461154 is a deficient number, since it is larger than the sum of its proper divisors (226980878902).

421055461154 is a wasteful number, since it uses less digits than its factorization.

421055461154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8322901.

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 421055461154 in words is "four hundred twenty-one billion, fifty-five million, four hundred sixty-one thousand, one hundred fifty-four".