6264402420 has 96 divisors (see below), whose sum is σ = 18833907456. Its totient is φ = 1550080000.

The previous prime is 6264402413. The next prime is 6264402439. The reversal of 6264402420 is 242044626.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29170 + ... + 115670.

It is an arithmetic number, because the mean of its divisors is an integer number (196186536).

Almost surely, 2^6264402420 is an apocalyptic number.

6264402420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6264402420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9416953728).

6264402420 is an abundant number, since it is smaller than the sum of its proper divisors (12569505036).

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

6264402420 is a wasteful number, since it uses less digits than its factorization.

6264402420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86601 (or 86599 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 6264402420 is about 79147.9779905968. The cubic root of 6264402420 is about 1843.4295697174.

The spelling of 6264402420 in words is "six billion, two hundred sixty-four million, four hundred two thousand, four hundred twenty".