1420557868 has 24 divisors (see below), whose sum is σ = 2544917760. Its totient is φ = 693598800.

The previous prime is 1420557863. The next prime is 1420557883. The reversal of 1420557868 is 8687550241.

It is not an unprimeable number, because it can be changed into a prime (1420557863) 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, 15705 + ... + 55567.

It is an arithmetic number, because the mean of its divisors is an integer number (106038240).

Almost surely, 2^1420557868 is an apocalyptic number.

It is an amenable number.

1420557868 is a deficient number, since it is larger than the sum of its proper divisors (1124359892).

1420557868 is a wasteful number, since it uses less digits than its factorization.

1420557868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40077 (or 40075 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 46.

The square root of 1420557868 is about 37690.2887757576. The cubic root of 1420557868 is about 1124.1380374874.

The spelling of 1420557868 in words is "one billion, four hundred twenty million, five hundred fifty-seven thousand, eight hundred sixty-eight".