1400026665400 has 48 divisors (see below), whose sum is σ = 3550976729640. Its totient is φ = 509100604800.

The previous prime is 1400026665379. The next prime is 1400026665431. The reversal of 1400026665400 is 45666200041.

It is a congruent number.

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, 318185679 + ... + 318190078.

Almost surely, 2^{1400026665400} is an apocalyptic number.

1400026665400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400026665400 is an abundant number, since it is smaller than the sum of its proper divisors (2150950064240).

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

1400026665400 is a wasteful number, since it uses less digits than its factorization.

1400026665400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636375784 (or 636375775 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 1400026665400 in words is "one trillion, four hundred billion, twenty-six million, six hundred sixty-five thousand, four hundred".