602040400 has 60 divisors (see below), whose sum is σ = 1557677212. Its totient is φ = 222289920.

The previous prime is 602040371. The next prime is 602040407. The reversal of 602040400 is 4040206.

It can be written as a sum of positive squares in 6 ways, for example, as 174874176 + 427166224 = 13224^2 + 20668^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (602040407) 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, 52689 + ... + 63088.

Almost surely, 2^602040400 is an apocalyptic number.

It is an amenable number.

602040400 is an abundant number, since it is smaller than the sum of its proper divisors (955636812).

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

602040400 is a wasteful number, since it uses less digits than its factorization.

602040400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115808 (or 115797 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 602040400 is about 24536.5115694958. The cubic root of 602040400 is about 844.3876613608.

Adding to 602040400 its reverse (4040206), we get a palindrome (606080606).

The spelling of 602040400 in words is "six hundred two million, forty thousand, four hundred".