190757423860 has 48 divisors (see below), whose sum is σ = 405300626640. Its totient is φ = 75408076800.

The previous prime is 190757423821. The next prime is 190757423867. The reversal of 190757423860 is 68324757091.

It can be written as a sum of positive squares in 8 ways, for example, as 6539633424 + 184217790436 = 80868^2 + 429206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 190757423798 and 190757423807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190757423867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1289806 + ... + 1430074.

It is an arithmetic number, because the mean of its divisors is an integer number (8443763055).

It is a 1-persistent number, because it is pandigital, but 2⋅190757423860 = 381514847720 is not.

Almost surely, 2^190757423860 is an apocalyptic number.

190757423860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190757423860 is an abundant number, since it is smaller than the sum of its proper divisors (214543202780).

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

190757423860 is a wasteful number, since it uses less digits than its factorization.

190757423860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141076 (or 141074 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 190757423860 in words is "one hundred ninety billion, seven hundred fifty-seven million, four hundred twenty-three thousand, eight hundred sixty".