461561265542 has 16 divisors (see below), whose sum is σ = 769650548352. Its totient is φ = 206156396160.

The previous prime is 461561265521. The next prime is 461561265551. The reversal of 461561265542 is 245562165164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286327523 + ... + 286329134.

It is an arithmetic number, because the mean of its divisors is an integer number (48103159272).

Almost surely, 2^461561265542 is an apocalyptic number.

461561265542 is a deficient number, since it is larger than the sum of its proper divisors (308089282810).

461561265542 is a wasteful number, since it uses less digits than its factorization.

461561265542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572656703.

The product of its digits is 1728000, while the sum is 47.

The spelling of 461561265542 in words is "four hundred sixty-one billion, five hundred sixty-one million, two hundred sixty-five thousand, five hundred forty-two".