2400325638 has 32 divisors (see below), whose sum is σ = 4866293376. Its totient is φ = 789199488.

The previous prime is 2400325633. The next prime is 2400325643. The reversal of 2400325638 is 8365230042.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2400325633) and next prime (2400325643).

It is a junction number, because it is equal to n+sod(n) for n = 2400325599 and 2400325608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400325633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336606 + ... + 343662.

It is an arithmetic number, because the mean of its divisors is an integer number (152071668).

Almost surely, 2^2400325638 is an apocalyptic number.

2400325638 is an abundant number, since it is smaller than the sum of its proper divisors (2465967738).

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

2400325638 is a wasteful number, since it uses less digits than its factorization.

2400325638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7828.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2400325638 is about 48993.1182718553. The cubic root of 2400325638 is about 1338.9264509834.

The spelling of 2400325638 in words is "two billion, four hundred million, three hundred twenty-five thousand, six hundred thirty-eight".