612873513400 has 24 divisors (see below), whose sum is σ = 1424930919120. Its totient is φ = 245149405280.

The previous prime is 612873513379. The next prime is 612873513419. The reversal of 612873513400 is 4315378216.

612873513400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×612873513400² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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, 1532183584 + ... + 1532183983.

It is an arithmetic number, because the mean of its divisors is an integer number (59372121630).

Almost surely, 2^612873513400 is an apocalyptic number.

It is an amenable number.

612873513400 is an abundant number, since it is smaller than the sum of its proper divisors (812057405720).

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

612873513400 is a wasteful number, since it uses less digits than its factorization.

612873513400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064367583 (or 3064367574 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 612873513400 in words is "six hundred twelve billion, eight hundred seventy-three million, five hundred thirteen thousand, four hundred".