32990363438 has 16 divisors (see below), whose sum is σ = 52546611600. Its totient is φ = 15480387456.

The previous prime is 32990363437. The next prime is 32990363521. The reversal of 32990363438 is 83436309923.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32990363437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1378256 + ... + 1401987.

It is an arithmetic number, because the mean of its divisors is an integer number (3284163225).

Almost surely, 2^32990363438 is an apocalyptic number.

32990363438 is a deficient number, since it is larger than the sum of its proper divisors (19556248162).

32990363438 is a wasteful number, since it uses less digits than its factorization.

32990363438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780611.

The product of its (nonzero) digits is 2519424, while the sum is 50.

The spelling of 32990363438 in words is "thirty-two billion, nine hundred ninety million, three hundred sixty-three thousand, four hundred thirty-eight".