1402518490 has 8 divisors (see below), whose sum is σ = 2524533300. Its totient is φ = 561007392.

The previous prime is 1402518433. The next prime is 1402518553. The reversal of 1402518490 is 948152041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1352547729 + 49970761 = 36777^2 + 7069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1402518490² = 3934116229583760200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70125915 + ... + 70125934.

Almost surely, 2^1402518490 is an apocalyptic number.

1402518490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1402518490 is a deficient number, since it is larger than the sum of its proper divisors (1122014810).

1402518490 is a wasteful number, since it uses less digits than its factorization.

1402518490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140251856.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 1402518490 is about 37450.2134840377. The cubic root of 1402518490 is about 1119.3593514073.

The spelling of 1402518490 in words is "one billion, four hundred two million, five hundred eighteen thousand, four hundred ninety".