1903492940 has 24 divisors (see below), whose sum is σ = 3999899232. Its totient is φ = 760908800.

The previous prime is 1903492919. The next prime is 1903492991. The reversal of 1903492940 is 492943091.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2297 + ... + 61743.

It is an arithmetic number, because the mean of its divisors is an integer number (166662468).

Almost surely, 2^1903492940 is an apocalyptic number.

1903492940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1903492940 is an abundant number, since it is smaller than the sum of its proper divisors (2096406292).

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

1903492940 is a wasteful number, since it uses less digits than its factorization.

1903492940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61057 (or 61055 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 1903492940 is about 43629.0378074053. The cubic root of 1903492940 is about 1239.3208516500.

The spelling of 1903492940 in words is "one billion, nine hundred three million, four hundred ninety-two thousand, nine hundred forty".