620342038400 has 144 divisors (see below), whose sum is σ = 1782633214440. Its totient is φ = 212688645120.

The previous prime is 620342038357. The next prime is 620342038409. The reversal of 620342038400 is 4830243026.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620342038409) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1821332 + ... + 2134931.

Almost surely, 2^620342038400 is an apocalyptic number.

It is an amenable number.

620342038400 is an abundant number, since it is smaller than the sum of its proper divisors (1162291176040).

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

620342038400 is a wasteful number, since it uses less digits than its factorization.

620342038400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956301 (or 3956277 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 620342038400 in words is "six hundred twenty billion, three hundred forty-two million, thirty-eight thousand, four hundred".