7983554040 has 192 divisors, whose sum is σ = 32349058560. Its totient is φ = 1658914560.

The previous prime is 7983554027. The next prime is 7983554053. The reversal of 7983554040 is 404553897.

7983554040 is a `hidden beast` number, since 7 + 98 + 3 + 554 + 0 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (7983554027) and next prime (7983554053).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116284 + ... + 171723.

It is an arithmetic number, because the mean of its divisors is an integer number (168484680).

Almost surely, 2^7983554040 is an apocalyptic number.

7983554040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7983554040 is an abundant number, since it is smaller than the sum of its proper divisors (24365504520).

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

7983554040 is a wasteful number, since it uses less digits than its factorization.

7983554040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288042 (or 288035 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 7983554040 is about 89350.7360909802. The cubic root of 7983554040 is about 1998.6285631287.

The spelling of 7983554040 in words is "seven billion, nine hundred eighty-three million, five hundred fifty-four thousand, forty".