1427177229940 has 72 divisors (see below), whose sum is σ = 3764917166976. Its totient is φ = 444834456000.

The previous prime is 1427177229917. The next prime is 1427177229997. The reversal of 1427177229940 is 499227717241.

It is a super-3 number, since 3×1427177229940³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42107536 + ... + 42141415.

It is an arithmetic number, because the mean of its divisors is an integer number (52290516208).

Almost surely, 2^{1427177229940} is an apocalyptic number.

1427177229940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427177229940 is an abundant number, since it is smaller than the sum of its proper divisors (2337739937036).

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

1427177229940 is a wasteful number, since it uses less digits than its factorization.

1427177229940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84248989 (or 84248976 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 55.

The spelling of 1427177229940 in words is "one trillion, four hundred twenty-seven billion, one hundred seventy-seven million, two hundred twenty-nine thousand, nine hundred forty".