2798513643400 has 48 divisors (see below), whose sum is σ = 6508169879040. Its totient is φ = 1119125774400.

The previous prime is 2798513643361. The next prime is 2798513643437. The reversal of 2798513643400 is 43463158972.

It is a happy number.

It is a super-2 number, since 2×2798513643400² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 944616 + ... + 2547415.

It is an arithmetic number, because the mean of its divisors is an integer number (135586872480).

It is a 1-persistent number, because it is pandigital, but 2⋅2798513643400 = 5597027286800 is not.

Almost surely, 2^{2798513643400} is an apocalyptic number.

2798513643400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2798513643400 is an abundant number, since it is smaller than the sum of its proper divisors (3709656235640).

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

2798513643400 is a wasteful number, since it uses less digits than its factorization.

2798513643400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496054 (or 3496045 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 2798513643400 in words is "two trillion, seven hundred ninety-eight billion, five hundred thirteen million, six hundred forty-three thousand, four hundred".