1490425754 has 8 divisors (see below), whose sum is σ = 2244338388. Its totient is φ = 742312960.

The previous prime is 1490425723. The next prime is 1490425757. The reversal of 1490425754 is 4575240941.

It can be written as a sum of positive squares in 2 ways, for example, as 1357554025 + 132871729 = 36845^2 + 11527^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1490425757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1449317 + ... + 1450344.

Almost surely, 2^1490425754 is an apocalyptic number.

1490425754 is a deficient number, since it is larger than the sum of its proper divisors (753912634).

1490425754 is a wasteful number, since it uses less digits than its factorization.

1490425754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899920.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 1490425754 is about 38606.0326114974. The cubic root of 1490425754 is about 1142.2735365691.

The spelling of 1490425754 in words is "one billion, four hundred ninety million, four hundred twenty-five thousand, seven hundred fifty-four".