2400811812 has 72 divisors (see below), whose sum is σ = 7192575936. Its totient is φ = 685944288.

The previous prime is 2400811811. The next prime is 2400811813. The reversal of 2400811812 is 2181180042.

2400811812 is a `hidden beast` number, since 2 + 400 + 81 + 181 + 2 = 666.

2400811812 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2400811811) and next prime (2400811813).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2400811811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169623 + ... + 183230.

It is an arithmetic number, because the mean of its divisors is an integer number (99896888).

Almost surely, 2^2400811812 is an apocalyptic number.

It is an amenable number.

2400811812 is an abundant number, since it is smaller than the sum of its proper divisors (4791764124).

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

2400811812 is a wasteful number, since it uses less digits than its factorization.

2400811812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352879 (or 352865 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 2400811812 is about 48998.0796766567. The cubic root of 2400811812 is about 1339.0168425083.

Adding to 2400811812 its reverse (2181180042), we get a palindrome (4581991854).

The spelling of 2400811812 in words is "two billion, four hundred million, eight hundred eleven thousand, eight hundred twelve".