10151943840 has 120 divisors (see below), whose sum is σ = 35827947540. Its totient is φ = 2707181568.

The previous prime is 10151943817. The next prime is 10151943863. The reversal of 10151943840 is 4834915101.

10151943840 is a `hidden beast` number, since 101 + 519 + 4 + 38 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (10151943817) and next prime (10151943863).

It can be written as a sum of positive squares in 2 ways, for example, as 8984764944 + 1167178896 = 94788^2 + 34164^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 10151943795 and 10151943804.

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, 378705 + ... + 404624.

Almost surely, 2^10151943840 is an apocalyptic number.

10151943840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10151943840 is an abundant number, since it is smaller than the sum of its proper divisors (25676003700).

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

10151943840 is an equidigital number, since it uses as much as digits as its factorization.

10151943840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783356 (or 783339 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 10151943840 in words is "ten billion, one hundred fifty-one million, nine hundred forty-three thousand, eight hundred forty".