190471249620 has 72 divisors (see below), whose sum is σ = 577813019784. Its totient is φ = 50787917568.

The previous prime is 190471249603. The next prime is 190471249621. The reversal of 190471249620 is 26942174091.

190471249620 is a `hidden beast` number, since 1 + 9 + 0 + 4 + 7 + 12 + 4 + 9 + 620 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 82247356944 + 108223892676 = 286788^2 + 328974^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190471249621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2386602 + ... + 2465118.

Almost surely, 2^190471249620 is an apocalyptic number.

190471249620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190471249620 is an abundant number, since it is smaller than the sum of its proper divisors (387341770164).

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

190471249620 is a wasteful number, since it uses less digits than its factorization.

190471249620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92009 (or 92004 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 190471249620 in words is "one hundred ninety billion, four hundred seventy-one million, two hundred forty-nine thousand, six hundred twenty".