187022260840 has 16 divisors (see below), whose sum is σ = 420800086980. Its totient is φ = 74808904320.

The previous prime is 187022260823. The next prime is 187022260877. The reversal of 187022260840 is 48062220781.

187022260840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 159215364324 + 27806896516 = 399018^2 + 166754^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 4675556521 = 187022260840 / (1 + 8 + 7 + 0 + 2 + 2 + 2 + 6 + 0 + 8 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 187022260793 and 187022260802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2337778221 + ... + 2337778300.

Almost surely, 2^187022260840 is an apocalyptic number.

187022260840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

187022260840 is an abundant number, since it is smaller than the sum of its proper divisors (233777826140).

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

187022260840 is a wasteful number, since it uses less digits than its factorization.

187022260840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675556532 (or 4675556528 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 187022260840 in words is "one hundred eighty-seven billion, twenty-two million, two hundred sixty thousand, eight hundred forty".