1905780496 has 40 divisors (see below), whose sum is σ = 3741055200. Its totient is φ = 940389120.

The previous prime is 1905780493. The next prime is 1905780551. The reversal of 1905780496 is 6940875091.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1905780493) 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, 1051431 + ... + 1053241.

It is an arithmetic number, because the mean of its divisors is an integer number (93526380).

Almost surely, 2^1905780496 is an apocalyptic number.

1905780496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1905780496 is a deficient number, since it is larger than the sum of its proper divisors (1835274704).

1905780496 is a wasteful number, since it uses less digits than its factorization.

1905780496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647 (or 2641 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 1905780496 is about 43655.2459161554. The cubic root of 1905780496 is about 1239.8171114244.

The spelling of 1905780496 in words is "one billion, nine hundred five million, seven hundred eighty thousand, four hundred ninety-six".