2378635405900 has 72 divisors (see below), whose sum is σ = 5570592365520. Its totient is φ = 876384503040.

The previous prime is 2378635405891. The next prime is 2378635405931. The reversal of 2378635405900 is 95045368732.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1351915 + ... + 2566114.

It is an arithmetic number, because the mean of its divisors is an integer number (77369338410).

Almost surely, 2^{2378635405900} is an apocalyptic number.

2378635405900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2378635405900 is an abundant number, since it is smaller than the sum of its proper divisors (3191956959620).

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

2378635405900 is a wasteful number, since it uses less digits than its factorization.

2378635405900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918523 (or 3918516 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 2378635405900 in words is "two trillion, three hundred seventy-eight billion, six hundred thirty-five million, four hundred five thousand, nine hundred".