620403150400 has 84 divisors (see below), whose sum is σ = 1665359503920. Its totient is φ = 225601139200.

The previous prime is 620403150379. The next prime is 620403150421. The reversal of 620403150400 is 4051304026.

It is an interprime number because it is at equal distance from previous prime (620403150379) and next prime (620403150421).

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 17607490 + ... + 17642689.

It is an arithmetic number, because the mean of its divisors is an integer number (19825708380).

Almost surely, 2^620403150400 is an apocalyptic number.

It is an amenable number.

620403150400 is an abundant number, since it is smaller than the sum of its proper divisors (1044956353520).

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

620403150400 is a wasteful number, since it uses less digits than its factorization.

620403150400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35250212 (or 35250197 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 620403150400 its reverse (4051304026), we get a palindrome (624454454426).

The spelling of 620403150400 in words is "six hundred twenty billion, four hundred three million, one hundred fifty thousand, four hundred".