2500400070 has 64 divisors (see below), whose sum is σ = 7620272640. Its totient is φ = 571519584.

The previous prime is 2500400051. The next prime is 2500400093. The reversal of 2500400070 is 700040052.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 659592 + ... + 663371.

It is an arithmetic number, because the mean of its divisors is an integer number (119066760).

Almost surely, 2^2500400070 is an apocalyptic number.

2500400070 is an abundant number, since it is smaller than the sum of its proper divisors (5119872570).

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

2500400070 is a wasteful number, since it uses less digits than its factorization.

2500400070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322986 (or 1322980 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 2500400070 is about 50004.0005399568. Note that the first 3 decimals coincide. The cubic root of 2500400070 is about 1357.2812015730.

The spelling of 2500400070 in words is "two billion, five hundred million, four hundred thousand, seventy".