101765280840 has 64 divisors (see below), whose sum is σ = 306064992960. Its totient is φ = 27069039360.

The previous prime is 101765280833. The next prime is 101765280857. The reversal of 101765280840 is 48082567101.

It is a super-2 number, since 2×101765280840² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101765280792 and 101765280801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020426 + ... + 1115705.

It is an arithmetic number, because the mean of its divisors is an integer number (4782265515).

Almost surely, 2^101765280840 is an apocalyptic number.

101765280840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101765280840 is an abundant number, since it is smaller than the sum of its proper divisors (204299712120).

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

101765280840 is a wasteful number, since it uses less digits than its factorization.

101765280840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136542 (or 2136538 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 101765280840 in words is "one hundred one billion, seven hundred sixty-five million, two hundred eighty thousand, eight hundred forty".