7249042944 has 640 divisors, whose sum is σ = 26673292800. Its totient is φ = 1911029760.

The previous prime is 7249042943. The next prime is 7249042951. The reversal of 7249042944 is 4492409427.

7249042944 is a `hidden beast` number, since 72 + 490 + 4 + 2 + 94 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 7249042944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7249042943) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37559712 + ... + 37559904.

It is an arithmetic number, because the mean of its divisors is an integer number (41677020).

Almost surely, 2^7249042944 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 7249042944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13336646400).

7249042944 is an abundant number, since it is smaller than the sum of its proper divisors (19424249856).

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

7249042944 is a wasteful number, since it uses less digits than its factorization.

7249042944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 7249042944 is about 85141.3116178040. The cubic root of 7249042944 is about 1935.3531522969.

The spelling of 7249042944 in words is "seven billion, two hundred forty-nine million, forty-two thousand, nine hundred forty-four".