1375235366400 has 1440 divisors, whose sum is σ = 5911027170048. Its totient is φ = 310144204800.

The previous prime is 1375235366399. The next prime is 1375235366411. The reversal of 1375235366400 is 46635325731.

It is a happy number.

1375235366400 is a `hidden beast` number, since 1 + 3 + 7 + 5 + 235 + 3 + 6 + 6 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

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 143 ways as a sum of consecutive naturals, for example, 1807142020 + ... + 1807142780.

Almost surely, 2^{1375235366400} is an apocalyptic number.

1375235366400 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 1375235366400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2955513585024).

1375235366400 is an abundant number, since it is smaller than the sum of its proper divisors (4535791803648).

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

1375235366400 is an frugal number, since it uses more digits than its factorization.

1375235366400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The spelling of 1375235366400 in words is "one trillion, three hundred seventy-five billion, two hundred thirty-five million, three hundred sixty-six thousand, four hundred".