2154148262800 has 30 divisors (see below), whose sum is σ = 5175341202338. Its totient is φ = 861659304960.

The previous prime is 2154148262797. The next prime is 2154148262867. The reversal of 2154148262800 is 82628414512.

It can be written as a sum of positive squares in 3 ways, for example, as 764267602176 + 1389880660624 = 874224^2 + 1178932^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2692684929 + ... + 2692685728.

Almost surely, 2^{2154148262800} is an apocalyptic number.

2154148262800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2154148262800 is an abundant number, since it is smaller than the sum of its proper divisors (3021192939538).

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

2154148262800 is a wasteful number, since it uses less digits than its factorization.

2154148262800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385370675 (or 5385370664 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 43.

The spelling of 2154148262800 in words is "two trillion, one hundred fifty-four billion, one hundred forty-eight million, two hundred sixty-two thousand, eight hundred".