90492809342 has 32 divisors (see below), whose sum is σ = 151079335680. Its totient is φ = 40369570560.

The previous prime is 90492809339. The next prime is 90492809357. The reversal of 90492809342 is 24390829409.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600458 + ... + 735890.

It is an arithmetic number, because the mean of its divisors is an integer number (4721229240).

Almost surely, 2^90492809342 is an apocalyptic number.

90492809342 is a deficient number, since it is larger than the sum of its proper divisors (60586526338).

90492809342 is a wasteful number, since it uses less digits than its factorization.

90492809342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136308.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 90492809342 in words is "ninety billion, four hundred ninety-two million, eight hundred nine thousand, three hundred forty-two".