1390864463604 has 192 divisors, whose sum is σ = 4508614656000. Its totient is φ = 360227606400.

The previous prime is 1390864463587. The next prime is 1390864463629. The reversal of 1390864463604 is 4063644680931.

It is a happy number.

1390864463604 is a `hidden beast` number, since 1 + 3 + 90 + 86 + 446 + 36 + 0 + 4 = 666.

It is a super-2 number, since 2×1390864463604² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2662669 + ... + 3141899.

It is an arithmetic number, because the mean of its divisors is an integer number (23482368000).

Almost surely, 2^{1390864463604} is an apocalyptic number.

1390864463604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1390864463604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2254307328000).

1390864463604 is an abundant number, since it is smaller than the sum of its proper divisors (3117750192396).

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

1390864463604 is a wasteful number, since it uses less digits than its factorization.

1390864463604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479611 (or 479603 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 54.

The spelling of 1390864463604 in words is "one trillion, three hundred ninety billion, eight hundred sixty-four million, four hundred sixty-three thousand, six hundred four".