82796275440 has 100 divisors (see below), whose sum is σ = 287563753224. Its totient is φ = 22079005056.

The previous prime is 82796275409. The next prime is 82796275453. The reversal of 82796275440 is 4457269728.

82796275440 is a `hidden beast` number, since 8 + 2 + 7 + 9 + 627 + 5 + 4 + 4 + 0 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6382122 + ... + 6395081.

Almost surely, 2^82796275440 is an apocalyptic number.

82796275440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82796275440 is an abundant number, since it is smaller than the sum of its proper divisors (204767477784).

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

82796275440 is a wasteful number, since it uses less digits than its factorization.

82796275440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12777228 (or 12777213 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 82796275440 in words is "eighty-two billion, seven hundred ninety-six million, two hundred seventy-five thousand, four hundred forty".