190023735460 has 48 divisors (see below), whose sum is σ = 435185856000. Its totient is φ = 69274468224.

The previous prime is 190023735431. The next prime is 190023735469. The reversal of 190023735460 is 64537320091.

It is a happy number.

It is a super-2 number, since 2×190023735460² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190023735469) 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, 4605160 + ... + 4646239.

It is an arithmetic number, because the mean of its divisors is an integer number (9066372000).

Almost surely, 2^190023735460 is an apocalyptic number.

190023735460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190023735460 is an abundant number, since it is smaller than the sum of its proper divisors (245162120540).

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

190023735460 is a wasteful number, since it uses less digits than its factorization.

190023735460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9251500 (or 9251498 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 190023735460 in words is "one hundred ninety billion, twenty-three million, seven hundred thirty-five thousand, four hundred sixty".