2861574456 has 32 divisors (see below), whose sum is σ = 7704239760. Its totient is φ = 880484352.

The previous prime is 2861574451. The next prime is 2861574479. The reversal of 2861574456 is 6544751682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861574451) 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, 4585545 + ... + 4586168.

Almost surely, 2^2861574456 is an apocalyptic number.

2861574456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2861574456 is an abundant number, since it is smaller than the sum of its proper divisors (4842665304).

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

2861574456 is a wasteful number, since it uses less digits than its factorization.

2861574456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9171735 (or 9171731 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 48.

The square root of 2861574456 is about 53493.6861321035. The cubic root of 2861574456 is about 1419.7166756035.

The spelling of 2861574456 in words is "two billion, eight hundred sixty-one million, five hundred seventy-four thousand, four hundred fifty-six".