1490440722 has 8 divisors (see below), whose sum is σ = 2980881456. Its totient is φ = 496813572.

The previous prime is 1490440709. The next prime is 1490440727. The reversal of 1490440722 is 2270440941.

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

1490440722 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1490440727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124203388 + ... + 124203399.

It is an arithmetic number, because the mean of its divisors is an integer number (372610182).

Almost surely, 2^1490440722 is an apocalyptic number.

1490440722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1490440722 is a wasteful number, since it uses less digits than its factorization.

1490440722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248406792.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1490440722 is about 38606.2264667243. The cubic root of 1490440722 is about 1142.2773604190.

The spelling of 1490440722 in words is "one billion, four hundred ninety million, four hundred forty thousand, seven hundred twenty-two".