461503054540 has 96 divisors (see below), whose sum is σ = 1075213601280. Its totient is φ = 164993241600.

The previous prime is 461503054429. The next prime is 461503054547. The reversal of 461503054540 is 45450305164.

It is a super-2 number, since 2×461503054540² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 461503054540.

It is not an unprimeable number, because it can be changed into a prime (461503054547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3076480 + ... + 3223000.

It is an arithmetic number, because the mean of its divisors is an integer number (11200141680).

Almost surely, 2^461503054540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461503054540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537606800640).

461503054540 is an abundant number, since it is smaller than the sum of its proper divisors (613710546740).

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

461503054540 is a wasteful number, since it uses less digits than its factorization.

461503054540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146783 (or 146781 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 461503054540 in words is "four hundred sixty-one billion, five hundred three million, fifty-four thousand, five hundred forty".