2451000402 has 24 divisors (see below), whose sum is σ = 5314455900. Its totient is φ = 816391680.

The previous prime is 2451000401. The next prime is 2451000413. The reversal of 2451000402 is 2040001542.

It can be written as a sum of positive squares in 2 ways, for example, as 1813993281 + 637007121 = 42591^2 + 25239^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2451000401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25527 + ... + 74522.

Almost surely, 2^2451000402 is an apocalyptic number.

2451000402 is an abundant number, since it is smaller than the sum of its proper divisors (2863455498).

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

2451000402 is a wasteful number, since it uses less digits than its factorization.

2451000402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101418 (or 101415 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2451000402 is about 49507.5792379308. The cubic root of 2451000402 is about 1348.2832135839.

Adding to 2451000402 its reverse (2040001542), we get a palindrome (4491001944).

The spelling of 2451000402 in words is "two billion, four hundred fifty-one million, four hundred two", and thus it is an aban number.