1490440495437 has 8 divisors (see below), whose sum is σ = 2208059993280. Its totient is φ = 993626996940.

The previous prime is 1490440495319. The next prime is 1490440495451. The reversal of 1490440495437 is 7345940440941.

It is a happy number.

1490440495437 is a `hidden beast` number, since 1 + 4 + 90 + 4 + 4 + 0 + 4 + 9 + 543 + 7 = 666.

It is not a de Polignac number, because 1490440495437 - 2²⁰ = 1490439446861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490440495477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27600749889 + ... + 27600749942.

It is an arithmetic number, because the mean of its divisors is an integer number (276007499160).

Almost surely, 2^{1490440495437} is an apocalyptic number.

It is an amenable number.

1490440495437 is a deficient number, since it is larger than the sum of its proper divisors (717619497843).

1490440495437 is an equidigital number, since it uses as much as digits as its factorization.

1490440495437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55201499840 (or 55201499834 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 1490440495437 in words is "one trillion, four hundred ninety billion, four hundred forty million, four hundred ninety-five thousand, four hundred thirty-seven".