461642137455 has 32 divisors (see below), whose sum is σ = 766705383360. Its totient is φ = 236907776000.

The previous prime is 461642137321. The next prime is 461642137469. The reversal of 461642137455 is 554731246164.

It is not a de Polignac number, because 461642137455 - 2¹⁷ = 461642006383 is a prime.

It is a super-2 number, since 2×461642137455² (a number of 24 digits) contains 22 as substring.

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, 1683546 + ... + 1938455.

It is an arithmetic number, because the mean of its divisors is an integer number (23959543230).

Almost surely, 2^461642137455 is an apocalyptic number.

461642137455 is a deficient number, since it is larger than the sum of its proper divisors (305063245905).

461642137455 is a wasteful number, since it uses less digits than its factorization.

461642137455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622331.

The product of its digits is 2419200, while the sum is 48.

The spelling of 461642137455 in words is "four hundred sixty-one billion, six hundred forty-two million, one hundred thirty-seven thousand, four hundred fifty-five".