1427259400944 has 40 divisors (see below), whose sum is σ = 3970708847952. Its totient is φ = 439156738560.

The previous prime is 1427259400901. The next prime is 1427259400969. The reversal of 1427259400944 is 4490049527241.

It is a super-2 number, since 2×1427259400944² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143636717 + ... + 1143637964.

Almost surely, 2^{1427259400944} is an apocalyptic number.

It is an amenable number.

1427259400944 is an abundant number, since it is smaller than the sum of its proper divisors (2543449447008).

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

1427259400944 is a wasteful number, since it uses less digits than its factorization.

1427259400944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287274705 (or 2287274699 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 1427259400944 in words is "one trillion, four hundred twenty-seven billion, two hundred fifty-nine million, four hundred thousand, nine hundred forty-four".