190440070 has 16 divisors (see below), whose sum is σ = 343375200. Its totient is φ = 76046464.

The previous prime is 190440067. The next prime is 190440079. The reversal of 190440070 is 70044091.

190440070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190440079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9907 + ... + 21886.

It is an arithmetic number, because the mean of its divisors is an integer number (21460950).

Almost surely, 2^190440070 is an apocalyptic number.

190440070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190440070 is a deficient number, since it is larger than the sum of its proper divisors (152935130).

190440070 is a wasteful number, since it uses less digits than its factorization.

190440070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32399.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 190440070 is about 13800.0025362317. The cubic root of 190440070 is about 575.3332107748. Note that the first 3 decimals are identical.

The spelling of 190440070 in words is "one hundred ninety million, four hundred forty thousand, seventy".