612020553400 has 48 divisors (see below), whose sum is σ = 1425414169440. Its totient is φ = 244383897600.

The previous prime is 612020553379. The next prime is 612020553401. The reversal of 612020553400 is 4355020216.

612020553400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612020553401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2536336 + ... + 2767135.

It is an arithmetic number, because the mean of its divisors is an integer number (29696128530).

Almost surely, 2^612020553400 is an apocalyptic number.

It is an amenable number.

612020553400 is an abundant number, since it is smaller than the sum of its proper divisors (813393616040).

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

612020553400 is a wasteful number, since it uses less digits than its factorization.

612020553400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304064 (or 5304055 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 612020553400 its reverse (4355020216), we get a palindrome (616375573616).

The spelling of 612020553400 in words is "six hundred twelve billion, twenty million, five hundred fifty-three thousand, four hundred".