7421056404 has 48 divisors (see below), whose sum is σ = 18719803200. Its totient is φ = 2280151296.

The previous prime is 7421056387. The next prime is 7421056429. The reversal of 7421056404 is 4046501247.

It is a super-2 number, since 2×7421056404² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431409 + ... + 448280.

It is an arithmetic number, because the mean of its divisors is an integer number (389995900).

Almost surely, 2^7421056404 is an apocalyptic number.

7421056404 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

7421056404 is an abundant number, since it is smaller than the sum of its proper divisors (11298746796).

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

7421056404 is a wasteful number, since it uses less digits than its factorization.

7421056404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879752 (or 879750 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 7421056404 is about 86145.5535939029. The cubic root of 7421056404 is about 1950.5417214190.

The spelling of 7421056404 in words is "seven billion, four hundred twenty-one million, fifty-six thousand, four hundred four".