1941440904 has 72 divisors (see below), whose sum is σ = 5693684490. Its totient is φ = 597362688.

The previous prime is 1941440869. The next prime is 1941441041. The reversal of 1941440904 is 4090441491.

It can be written as a sum of positive squares in 3 ways, for example, as 1083068100 + 858372804 = 32910^2 + 29298^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 67609 + ... + 91944.

Almost surely, 2^1941440904 is an apocalyptic number.

It is an amenable number.

1941440904 is an abundant number, since it is smaller than the sum of its proper divisors (3752243586).

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

1941440904 is a wasteful number, since it uses less digits than its factorization.

1941440904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159591 (or 159571 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1941440904 is about 44061.7850750511. The cubic root of 1941440904 is about 1247.5024057956.

The spelling of 1941440904 in words is "one billion, nine hundred forty-one million, four hundred forty thousand, nine hundred four".