2156474752000 has 176 divisors, whose sum is σ = 5696405159328. Its totient is φ = 811848499200.

The previous prime is 2156474751979. The next prime is 2156474752027. The reversal of 2156474752000 is 2574746512.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1680487 + ... + 2671513.

Almost surely, 2^{2156474752000} is an apocalyptic number.

2156474752000 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 2156474752000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2848202579664).

2156474752000 is an abundant number, since it is smaller than the sum of its proper divisors (3539930407328).

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

2156474752000 is an equidigital number, since it uses as much as digits as its factorization.

2156474752000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991079 (or 991051 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 2156474752000 in words is "two trillion, one hundred fifty-six billion, four hundred seventy-four million, seven hundred fifty-two thousand".