390140150544 has 45 divisors (see below), whose sum is σ = 1091871537159. Its totient is φ = 130044218400.

The previous prime is 390140150509. The next prime is 390140150573. The reversal of 390140150544 is 445051041093.

It is a happy number.

The square root of 390140150544 is 624612.

It is a perfect power (a square), and thus also a powerful number.

390140150544 is a `hidden beast` number, since 3 + 9 + 0 + 140 + 1 + 505 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 390140150499 and 390140150508.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7469319 + ... + 7521369.

Almost surely, 2^390140150544 is an apocalyptic number.

390140150544 is the 624612-nd square number.

It is an amenable number.

390140150544 is an abundant number, since it is smaller than the sum of its proper divisors (701731386615).

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

390140150544 is an frugal number, since it uses more digits than its factorization.

390140150544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104116 (or 52056 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Multiplying 390140150544 by its sum of digits (36), we get a square (14045045419584 = 3747672²).

390140150544 divided by its sum of digits (36) gives a square (10837226404 = 104102²).

The spelling of 390140150544 in words is "three hundred ninety billion, one hundred forty million, one hundred fifty thousand, five hundred forty-four".