2501904478 has 8 divisors (see below), whose sum is σ = 3754273968. Its totient is φ = 1250479824.

The previous prime is 2501904421. The next prime is 2501904479. The reversal of 2501904478 is 8744091052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2501904478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501904479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229551 + ... + 240202.

It is an arithmetic number, because the mean of its divisors is an integer number (469284246).

Almost surely, 2^2501904478 is an apocalyptic number.

2501904478 is a deficient number, since it is larger than the sum of its proper divisors (1252369490).

2501904478 is a wasteful number, since it uses less digits than its factorization.

2501904478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472418.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2501904478 is about 50019.0411543444. The cubic root of 2501904478 is about 1357.5533573963.

The spelling of 2501904478 in words is "two billion, five hundred one million, nine hundred four thousand, four hundred seventy-eight".