1420077388900 has 81 divisors (see below), whose sum is σ = 3100064014411. Its totient is φ = 564641846080.

The previous prime is 1420077388889. The next prime is 1420077388913. The reversal of 1420077388900 is 98837700241.

The square root of 1420077388900 is 1191670.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 544700089444 + 875377299456 = 738038^2 + 935616^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3205592079 + ... + 3205592521.

Almost surely, 2^{1420077388900} is an apocalyptic number.

1420077388900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420077388900 is the 1191670-th square number.

It is an amenable number.

1420077388900 is an abundant number, since it is smaller than the sum of its proper divisors (1679986625511).

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

1420077388900 is an frugal number, since it uses more digits than its factorization.

1420077388900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

Multiplying 1420077388900 by its sum of digits (49), we get a square (69583792056100 = 8341690²).

The spelling of 1420077388900 in words is "one trillion, four hundred twenty billion, seventy-seven million, three hundred eighty-eight thousand, nine hundred".