461722134070554 has 256 divisors, whose sum is σ = 1128058984046592. Its totient is φ = 122987415011328.

The previous prime is 461722134070543. The next prime is 461722134070567. The reversal of 461722134070554 is 455070431227164.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 461722134070497 and 461722134070506.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 72792387507 + ... + 72792393849.

It is an arithmetic number, because the mean of its divisors is an integer number (4406480406432).

Almost surely, 2^{461722134070554} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461722134070554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564029492023296).

461722134070554 is an abundant number, since it is smaller than the sum of its proper divisors (666336849976038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

461722134070554 is a wasteful number, since it uses less digits than its factorization.

461722134070554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8749.

The product of its (nonzero) digits is 5644800, while the sum is 51.

The spelling of 461722134070554 in words is "four hundred sixty-one trillion, seven hundred twenty-two billion, one hundred thirty-four million, seventy thousand, five hundred fifty-four".