190926540 has 108 divisors (see below), whose sum is σ = 673729056. Its totient is φ = 43638336.

The previous prime is 190926509. The next prime is 190926553. The reversal of 190926540 is 45629091.

190926540 is a `hidden beast` number, since 1 + 90 + 9 + 26 + 540 = 666.

190926540 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 = 190926495 and 190926504.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2004 + ... + 19643.

It is an arithmetic number, because the mean of its divisors is an integer number (6238232).

Almost surely, 2^190926540 is an apocalyptic number.

190926540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190926540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336864528).

190926540 is an abundant number, since it is smaller than the sum of its proper divisors (482802516).

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

190926540 is a wasteful number, since it uses less digits than its factorization.

190926540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21676 (or 21664 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 190926540 is about 13817.6170159691. The cubic root of 190926540 is about 575.8226812407.

The spelling of 190926540 in words is "one hundred ninety million, nine hundred twenty-six thousand, five hundred forty".