7902884256540 has 576 divisors, whose sum is σ = 28792465680384. Its totient is φ = 1576966662144.

The previous prime is 7902884256539. The next prime is 7902884256571. The reversal of 7902884256540 is 456524882097.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1275272722 + ... + 1275278918.

It is an arithmetic number, because the mean of its divisors is an integer number (49986919584).

Almost surely, 2^{7902884256540} is an apocalyptic number.

7902884256540 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 7902884256540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14396232840192).

7902884256540 is an abundant number, since it is smaller than the sum of its proper divisors (20889581423844).

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

7902884256540 is a wasteful number, since it uses less digits than its factorization.

7902884256540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6914 (or 6893 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 60.

The spelling of 7902884256540 in words is "seven trillion, nine hundred two billion, eight hundred eighty-four million, two hundred fifty-six thousand, five hundred forty".