1427776654380 has 24 divisors (see below), whose sum is σ = 3997774632432. Its totient is φ = 380740441152.

The previous prime is 1427776654273. The next prime is 1427776654387. The reversal of 1427776654380 is 834566777241.

It is a super-3 number, since 3×1427776654380³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 23796277573 = 1427776654380 / (1 + 4 + 2 + 7 + 7 + 7 + 6 + 6 + 5 + 4 + 3 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (1427776654387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11898138727 + ... + 11898138846.

It is an arithmetic number, because the mean of its divisors is an integer number (166573943018).

Almost surely, 2^{1427776654380} is an apocalyptic number.

1427776654380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427776654380 is an abundant number, since it is smaller than the sum of its proper divisors (2569997978052).

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

1427776654380 is a wasteful number, since it uses less digits than its factorization.

1427776654380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23796277585 (or 23796277583 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 60.

The spelling of 1427776654380 in words is "one trillion, four hundred twenty-seven billion, seven hundred seventy-six million, six hundred fifty-four thousand, three hundred eighty".