1823400151280 has 20 divisors (see below), whose sum is σ = 4239405351912. Its totient is φ = 729360060480.

The previous prime is 1823400151273. The next prime is 1823400151303. The reversal of 1823400151280 is 821510043281.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1823400151280² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1823400151280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11396250866 + ... + 11396251025.

Almost surely, 2^{1823400151280} is an apocalyptic number.

1823400151280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1823400151280 is an abundant number, since it is smaller than the sum of its proper divisors (2416005200632).

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

1823400151280 is a wasteful number, since it uses less digits than its factorization.

1823400151280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22792501904 (or 22792501898 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 1823400151280 in words is "one trillion, eight hundred twenty-three billion, four hundred million, one hundred fifty-one thousand, two hundred eighty".