6402153400 has 48 divisors (see below), whose sum is σ = 14998694040. Its totient is φ = 2541302400.

The previous prime is 6402153397. The next prime is 6402153409. The reversal of 6402153400 is 43512046.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402153409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95979 + ... + 148378.

Almost surely, 2^6402153400 is an apocalyptic number.

It is an amenable number.

6402153400 is an abundant number, since it is smaller than the sum of its proper divisors (8596540640).

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

6402153400 is a wasteful number, since it uses less digits than its factorization.

6402153400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244504 (or 244495 counting only the distinct ones).

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

The square root of 6402153400 is about 80013.4576180782. The cubic root of 6402153400 is about 1856.8437433739.

Adding to 6402153400 its reverse (43512046), we get a palindrome (6445665446).

The spelling of 6402153400 in words is "six billion, four hundred two million, one hundred fifty-three thousand, four hundred".