2557046402000 has 80 divisors (see below), whose sum is σ = 6183488590032. Its totient is φ = 1022727513600.

The previous prime is 2557046401981. The next prime is 2557046402021. The reversal of 2557046402000 is 2046407552.

It can be written as a sum of positive squares in 8 ways, for example, as 523730110864 + 2033316291136 = 723692^2 + 1425944^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2557046402000² (a number of 26 digits) contains 22 as substring.

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, 25223414 + ... + 25324586.

Almost surely, 2^{2557046402000} is an apocalyptic number.

2557046402000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2557046402000 is an abundant number, since it is smaller than the sum of its proper divisors (3626442188032).

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

2557046402000 is a wasteful number, since it uses less digits than its factorization.

2557046402000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113833 (or 113817 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 2557046402000 in words is "two trillion, five hundred fifty-seven billion, forty-six million, four hundred two thousand".