1490915294 has 48 divisors (see below), whose sum is σ = 2642976000. Its totient is φ = 628269840.

The previous prime is 1490915233. The next prime is 1490915299. The reversal of 1490915294 is 4925190941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490915299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212657 + ... + 219555.

It is an arithmetic number, because the mean of its divisors is an integer number (55062000).

Almost surely, 2^1490915294 is an apocalyptic number.

1490915294 is a deficient number, since it is larger than the sum of its proper divisors (1152060706).

1490915294 is a wasteful number, since it uses less digits than its factorization.

1490915294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989 (or 6978 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 1490915294 is about 38612.3722917927. The cubic root of 1490915294 is about 1142.3985852616.

It can be divided in two parts, 14909 and 15294, that added together give a palindrome (30203).

The spelling of 1490915294 in words is "one billion, four hundred ninety million, nine hundred fifteen thousand, two hundred ninety-four".