1900425774 has 16 divisors (see below), whose sum is σ = 4093224912. Its totient is φ = 584746368.

The previous prime is 1900425773. The next prime is 1900425799. The reversal of 1900425774 is 4775240091.

It is a super-2 number, since 2×1900425774² = 7223236244966998152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900425773) 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, 12182139 + ... + 12182294.

It is an arithmetic number, because the mean of its divisors is an integer number (255826557).

Almost surely, 2^1900425774 is an apocalyptic number.

1900425774 is an abundant number, since it is smaller than the sum of its proper divisors (2192799138).

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

1900425774 is a wasteful number, since it uses less digits than its factorization.

1900425774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24364451.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 1900425774 is about 43593.8731245573. The cubic root of 1900425774 is about 1238.6548398496.

The spelling of 1900425774 in words is "one billion, nine hundred million, four hundred twenty-five thousand, seven hundred seventy-four".