7242257856 has 112 divisors (see below), whose sum is σ = 20334792960. Its totient is φ = 2266951680.

The previous prime is 7242257833. The next prime is 7242257903. The reversal of 7242257856 is 6587522427.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 1600365 + ... + 1604883.

Almost surely, 2^7242257856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7242257856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10167396480).

7242257856 is an abundant number, since it is smaller than the sum of its proper divisors (13092535104).

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

7242257856 is a wasteful number, since it uses less digits than its factorization.

7242257856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042 (or 5032 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 48.

The square root of 7242257856 is about 85101.4562507599. The cubic root of 7242257856 is about 1934.7491350625.

The spelling of 7242257856 in words is "seven billion, two hundred forty-two million, two hundred fifty-seven thousand, eight hundred fifty-six".