2461557520 has 40 divisors (see below), whose sum is σ = 5971957056. Its totient is φ = 941812608.

The previous prime is 2461557509. The next prime is 2461557523. The reversal of 2461557520 is 257551642.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2461557520.

It is not an unprimeable number, because it can be changed into a prime (2461557523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667062 + ... + 670741.

Almost surely, 2^2461557520 is an apocalyptic number.

2461557520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2461557520 is an abundant number, since it is smaller than the sum of its proper divisors (3510399536).

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

2461557520 is a wasteful number, since it uses less digits than its factorization.

2461557520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337839 (or 1337833 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 2461557520 is about 49614.0859030981. The cubic root of 2461557520 is about 1350.2162470234.

The spelling of 2461557520 in words is "two billion, four hundred sixty-one million, five hundred fifty-seven thousand, five hundred twenty".