1396037099520 has 784 divisors, whose sum is σ = 5741578316160. Its totient is φ = 319046418432.

The previous prime is 1396037099491. The next prime is 1396037099533. The reversal of 1396037099520 is 259907306931.

It is a happy number.

1396037099520 is a `hidden beast` number, since 1 + 3 + 9 + 603 + 7 + 0 + 9 + 9 + 5 + 20 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 209015541 + ... + 209022219.

Almost surely, 2^{1396037099520} is an apocalyptic number.

1396037099520 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 1396037099520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2870789158080).

1396037099520 is an abundant number, since it is smaller than the sum of its proper divisors (4345541216640).

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

1396037099520 is an frugal number, since it uses more digits than its factorization.

1396037099520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6735 (or 6696 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 54.

The spelling of 1396037099520 in words is "one trillion, three hundred ninety-six billion, thirty-seven million, ninety-nine thousand, five hundred twenty".