2923078999400 has 192 divisors, whose sum is σ = 7936549171200. Its totient is φ = 980349085440.

The previous prime is 2923078999369. The next prime is 2923078999429. The reversal of 2923078999400 is 49998703292.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134155307 + ... + 134177093.

It is an arithmetic number, because the mean of its divisors is an integer number (41336193600).

Almost surely, 2^{2923078999400} is an apocalyptic number.

2923078999400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2923078999400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3968274585600).

2923078999400 is an abundant number, since it is smaller than the sum of its proper divisors (5013470171800).

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

2923078999400 is a wasteful number, since it uses less digits than its factorization.

2923078999400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23896 (or 23887 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 62.

The spelling of 2923078999400 in words is "two trillion, nine hundred twenty-three billion, seventy-eight million, nine hundred ninety-nine thousand, four hundred".