2400625878 has 32 divisors (see below), whose sum is σ = 5562318336. Its totient is φ = 676496448.

The previous prime is 2400625861. The next prime is 2400625883. The reversal of 2400625878 is 8785260042.

It is a happy number.

2400625878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2400625878² = 11526009212246541768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388426 + ... + 394557.

It is an arithmetic number, because the mean of its divisors is an integer number (173822448).

Almost surely, 2^2400625878 is an apocalyptic number.

2400625878 is an abundant number, since it is smaller than the sum of its proper divisors (3161692458).

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

2400625878 is a wasteful number, since it uses less digits than its factorization.

2400625878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783068.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 2400625878 is about 48996.1822798471. The cubic root of 2400625878 is about 1338.9822743143.

The spelling of 2400625878 in words is "two billion, four hundred million, six hundred twenty-five thousand, eight hundred seventy-eight".