1490079240 has 320 divisors, whose sum is σ = 5713590960. Its totient is φ = 345047040.

The previous prime is 1490079229. The next prime is 1490079251. The reversal of 1490079240 is 429700941.

It is an interprime number because it is at equal distance from previous prime (1490079229) and next prime (1490079251).

It can be written as a sum of positive squares in 8 ways, for example, as 483032484 + 1007046756 = 21978^2 + 31734^2 .

It is a super-2 number, since 2×1490079240² = 4440672282957955200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1490079195 and 1490079204.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 715000 + ... + 717080.

Almost surely, 2^1490079240 is an apocalyptic number.

1490079240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490079240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2856795480).

1490079240 is an abundant number, since it is smaller than the sum of its proper divisors (4223511720).

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

1490079240 is a wasteful number, since it uses less digits than its factorization.

1490079240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134 (or 2121 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1490079240 is about 38601.5445286843. The cubic root of 1490079240 is about 1142.1850060604.

The spelling of 1490079240 in words is "one billion, four hundred ninety million, seventy-nine thousand, two hundred forty".