2541906864 has 60 divisors (see below), whose sum is σ = 8130070416. Its totient is φ = 726258816.

The previous prime is 2541906841. The next prime is 2541906877. The reversal of 2541906864 is 4686091452.

It is a super-2 number, since 2×2541906864² = 12922581010500628992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1259859 + ... + 1261874.

Almost surely, 2^2541906864 is an apocalyptic number.

2541906864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2541906864 is an abundant number, since it is smaller than the sum of its proper divisors (5588163552).

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

2541906864 is a wasteful number, since it uses less digits than its factorization.

2541906864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521754 (or 2521745 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2541906864 is about 50417.3270215707. The cubic root of 2541906864 is about 1364.7503403641.

The spelling of 2541906864 in words is "two billion, five hundred forty-one million, nine hundred six thousand, eight hundred sixty-four".