1490379940 has 24 divisors (see below), whose sum is σ = 3576912192. Its totient is φ = 510987360.

The previous prime is 1490379923. The next prime is 1490379973. The reversal of 1490379940 is 499730941.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5322646 + ... + 5322925.

It is an arithmetic number, because the mean of its divisors is an integer number (149038008).

Almost surely, 2^1490379940 is an apocalyptic number.

1490379940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1490379940 is an abundant number, since it is smaller than the sum of its proper divisors (2086532252).

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

1490379940 is a wasteful number, since it uses less digits than its factorization.

1490379940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10645587 (or 10645585 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 1490379940 is about 38605.4392540740. The cubic root of 1490379940 is about 1142.2618323842.

The spelling of 1490379940 in words is "one billion, four hundred ninety million, three hundred seventy-nine thousand, nine hundred forty".