390553391412 has 36 divisors (see below), whose sum is σ = 987592605636. Its totient is φ = 130136935680.

The previous prime is 390553391411. The next prime is 390553391441. The reversal of 390553391412 is 214193355093.

390553391412 is a `hidden beast` number, since 3 + 9 + 0 + 553 + 3 + 91 + 4 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 260841047076 + 129712344336 = 510726^2 + 360156^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390553391411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1880293 + ... + 2077644.

Almost surely, 2^390553391412 is an apocalyptic number.

It is an amenable number.

390553391412 is an abundant number, since it is smaller than the sum of its proper divisors (597039214224).

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

390553391412 is a wasteful number, since it uses less digits than its factorization.

390553391412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960688 (or 3960683 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The spelling of 390553391412 in words is "three hundred ninety billion, five hundred fifty-three million, three hundred ninety-one thousand, four hundred twelve".