1436457980 has 12 divisors (see below), whose sum is σ = 3016561800. Its totient is φ = 574583184.

The previous prime is 1436457961. The next prime is 1436457983. The reversal of 1436457980 is 897546341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1436457983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35911430 + ... + 35911469.

It is an arithmetic number, because the mean of its divisors is an integer number (251380150).

Almost surely, 2^1436457980 is an apocalyptic number.

1436457980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1436457980 is an abundant number, since it is smaller than the sum of its proper divisors (1580103820).

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

1436457980 is a wasteful number, since it uses less digits than its factorization.

1436457980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71822908 (or 71822906 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 1436457980 is about 37900.6329762446. The cubic root of 1436457980 is about 1128.3165943571.

The spelling of 1436457980 in words is "one billion, four hundred thirty-six million, four hundred fifty-seven thousand, nine hundred eighty".