140012012010400 has 72 divisors (see below), whose sum is σ = 341825262993900. Its totient is φ = 56001373992960.

The previous prime is 140012012010391. The next prime is 140012012010443. The reversal of 140012012010400 is 4010210210041.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 40240601228304 + 99771410782096 = 6343548^2 + 9988564^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7726732 + ... + 18431668.

Almost surely, 2^{140012012010400} is an apocalyptic number.

140012012010400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140012012010400 is an abundant number, since it is smaller than the sum of its proper divisors (201813250983500).

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

140012012010400 is a wasteful number, since it uses less digits than its factorization.

140012012010400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10721306 (or 10721293 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 140012012010400 its reverse (4010210210041), we get a palindrome (144022222220441).

The spelling of 140012012010400 in words is "one hundred forty trillion, twelve billion, twelve million, ten thousand, four hundred".