7913944500 has 288 divisors, whose sum is σ = 28954248960. Its totient is φ = 1644192000.

The previous prime is 7913944487. The next prime is 7913944559. The reversal of 7913944500 is 54493197.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1267386 + ... + 1273614.

Almost surely, 2^7913944500 is an apocalyptic number.

7913944500 is a gapful number since it is divisible by the number (70) 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 7913944500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14477124480).

7913944500 is an abundant number, since it is smaller than the sum of its proper divisors (21040304460).

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

7913944500 is a wasteful number, since it uses less digits than its factorization.

7913944500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280 (or 6257 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 7913944500 is about 88960.3535289738. The cubic root of 7913944500 is about 1992.8028398434.

The spelling of 7913944500 in words is "seven billion, nine hundred thirteen million, nine hundred forty-four thousand, five hundred".