1401610245138 has 24 divisors (see below), whose sum is σ = 3043162137600. Its totient is φ = 466228039704.

The previous prime is 1401610245131. The next prime is 1401610245163. The reversal of 1401610245138 is 8315420161041.

1401610245138 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 610 + 2 + 4 + 5 + 1 + 38 = 666.

It is a super-2 number, since 2×1401610245138² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1401610245131) 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, 81272418 + ... + 81289661.

It is an arithmetic number, because the mean of its divisors is an integer number (126798422400).

Almost surely, 2^{1401610245138} is an apocalyptic number.

1401610245138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1401610245138 is an abundant number, since it is smaller than the sum of its proper divisors (1641551892462).

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

1401610245138 is a wasteful number, since it uses less digits than its factorization.

1401610245138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162562566 (or 162562563 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 1401610245138 in words is "one trillion, four hundred one billion, six hundred ten million, two hundred forty-five thousand, one hundred thirty-eight".