1439425190 has 48 divisors (see below), whose sum is σ = 3145576032. Its totient is φ = 464480256.

The previous prime is 1439425159. The next prime is 1439425217. The reversal of 1439425190 is 915249341.

It is a super-2 number, since 2×1439425190² = 4143889755213072200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15347 + ... + 55806.

It is an arithmetic number, because the mean of its divisors is an integer number (65532834).

Almost surely, 2^1439425190 is an apocalyptic number.

1439425190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1439425190 is an abundant number, since it is smaller than the sum of its proper divisors (1706150842).

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

1439425190 is a wasteful number, since it uses less digits than its factorization.

1439425190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71201 (or 71184 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1439425190 is about 37939.7573792980. The cubic root of 1439425190 is about 1129.0929599603.

The spelling of 1439425190 in words is "one billion, four hundred thirty-nine million, four hundred twenty-five thousand, one hundred ninety".