45326191490 has 8 divisors (see below), whose sum is σ = 81587144700. Its totient is φ = 18130476592.

The previous prime is 45326191489. The next prime is 45326191553. The reversal of 45326191490 is 9419162354.

It can be written as a sum of positive squares in 2 ways, for example, as 43945994689 + 1380196801 = 209633^2 + 37151^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2266309565 + ... + 2266309584.

Almost surely, 2^45326191490 is an apocalyptic number.

45326191490 is a deficient number, since it is larger than the sum of its proper divisors (36260953210).

45326191490 is a wasteful number, since it uses less digits than its factorization.

45326191490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532619156.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 45326191490 in words is "forty-five billion, three hundred twenty-six million, one hundred ninety-one thousand, four hundred ninety".