1900307680 has 48 divisors (see below), whose sum is σ = 4492272960. Its totient is φ = 759649792.

The previous prime is 1900307663. The next prime is 1900307681. The reversal of 1900307680 is 867030091.

It is a super-2 number, since 2×1900307680² = 7222338557333964800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900307681) 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, 374601 + ... + 379639.

It is an arithmetic number, because the mean of its divisors is an integer number (93589020).

Almost surely, 2^1900307680 is an apocalyptic number.

1900307680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1900307680 is an abundant number, since it is smaller than the sum of its proper divisors (2591965280).

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

1900307680 is a wasteful number, since it uses less digits than its factorization.

1900307680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7411 (or 7403 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1900307680 is about 43592.5186241860. The cubic root of 1900307680 is about 1238.6291823125.

The spelling of 1900307680 in words is "one billion, nine hundred million, three hundred seven thousand, six hundred eighty".