390951563009488 has 160 divisors (see below), whose sum is σ = 882239288071680. Its totient is φ = 166184989286400.

The previous prime is 390951563009479. The next prime is 390951563009551. The reversal of 390951563009488 is 884900365159093.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1046989123 + ... + 1047362461.

It is an arithmetic number, because the mean of its divisors is an integer number (5513995550448).

Almost surely, 2^{390951563009488} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390951563009488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441119644035840).

390951563009488 is an abundant number, since it is smaller than the sum of its proper divisors (491287725062192).

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

390951563009488 is a wasteful number, since it uses less digits than its factorization.

390951563009488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379725 (or 379719 counting only the distinct ones).

The product of its (nonzero) digits is 251942400, while the sum is 70.

The spelling of 390951563009488 in words is "three hundred ninety trillion, nine hundred fifty-one billion, five hundred sixty-three million, nine thousand, four hundred eighty-eight".