32490247902 has 48 divisors (see below), whose sum is σ = 77632705920. Its totient is φ = 8879316336.

The previous prime is 32490247877. The next prime is 32490247913. The reversal of 32490247902 is 20974209423.

It is a super-3 number, since 3×32490247902³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 708952 + ... + 753387.

It is an arithmetic number, because the mean of its divisors is an integer number (1617348040).

Almost surely, 2^32490247902 is an apocalyptic number.

32490247902 is an abundant number, since it is smaller than the sum of its proper divisors (45142458018).

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

32490247902 is a wasteful number, since it uses less digits than its factorization.

32490247902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462397 (or 1462374 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 32490247902 in words is "thirty-two billion, four hundred ninety million, two hundred forty-seven thousand, nine hundred two".