1490498555 has 32 divisors (see below), whose sum is σ = 2297078784. Its totient is φ = 902411136.

The previous prime is 1490498531. The next prime is 1490498561. The reversal of 1490498555 is 5558940941.

It is a cyclic number.

It is not a de Polignac number, because 1490498555 - 2⁸ = 1490498299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60749 + ... + 81678.

It is an arithmetic number, because the mean of its divisors is an integer number (71783712).

Almost surely, 2^1490498555 is an apocalyptic number.

1490498555 is a deficient number, since it is larger than the sum of its proper divisors (806580229).

1490498555 is a wasteful number, since it uses less digits than its factorization.

1490498555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142475.

The product of its (nonzero) digits is 1296000, while the sum is 50.

The square root of 1490498555 is about 38606.9754707618. The cubic root of 1490498555 is about 1142.2921346781.

The spelling of 1490498555 in words is "one billion, four hundred ninety million, four hundred ninety-eight thousand, five hundred fifty-five".