461620861550 has 24 divisors (see below), whose sum is σ = 858642891552. Its totient is φ = 184642304000.

The previous prime is 461620861531. The next prime is 461620861591. The reversal of 461620861550 is 55168026164.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1591790 + ... + 1859310.

It is an arithmetic number, because the mean of its divisors is an integer number (35776787148).

Almost surely, 2^461620861550 is an apocalyptic number.

461620861550 is a deficient number, since it is larger than the sum of its proper divisors (397022030002).

461620861550 is a wasteful number, since it uses less digits than its factorization.

461620861550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302044 (or 302039 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 461620861550 in words is "four hundred sixty-one billion, six hundred twenty million, eight hundred sixty-one thousand, five hundred fifty".