1427402542780 has 24 divisors (see below), whose sum is σ = 3155310884880. Its totient is φ = 540910437120.

The previous prime is 1427402542763. The next prime is 1427402542789. The reversal of 1427402542780 is 872452047241.

It is a self number, because there is not a number n which added to its sum of digits gives 1427402542780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427402542789) 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, 1878160861 + ... + 1878161620.

It is an arithmetic number, because the mean of its divisors is an integer number (131471286870).

Almost surely, 2^{1427402542780} is an apocalyptic number.

1427402542780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427402542780 is an abundant number, since it is smaller than the sum of its proper divisors (1727908342100).

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

1427402542780 is a wasteful number, since it uses less digits than its factorization.

1427402542780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756322509 (or 3756322507 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 46.

The spelling of 1427402542780 in words is "one trillion, four hundred twenty-seven billion, four hundred two million, five hundred forty-two thousand, seven hundred eighty".