1390104555840 has 1568 divisors, whose sum is σ = 6664740316416. Its totient is φ = 266588651520.

The previous prime is 1390104555823. The next prime is 1390104555887. The reversal of 1390104555840 is 485554010931.

It is a happy number.

1390104555840 is a `hidden beast` number, since 1 + 3 + 9 + 0 + 10 + 4 + 55 + 584 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 233510304 + ... + 233516256.

Almost surely, 2^{1390104555840} is an apocalyptic number.

1390104555840 is a gapful number since it is divisible by the number (10) 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 1390104555840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3332370158208).

1390104555840 is an abundant number, since it is smaller than the sum of its proper divisors (5274635760576).

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

1390104555840 is a wasteful number, since it uses less digits than its factorization.

1390104555840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6019 (or 5994 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 1390104555840 in words is "one trillion, three hundred ninety billion, one hundred four million, five hundred fifty-five thousand, eight hundred forty".