1455940280 has 32 divisors (see below), whose sum is σ = 3286427040. Its totient is φ = 580498560.

The previous prime is 1455940279. The next prime is 1455940307. The reversal of 1455940280 is 820495541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46079 + ... + 70958.

It is an arithmetic number, because the mean of its divisors is an integer number (102700845).

Almost surely, 2^1455940280 is an apocalyptic number.

1455940280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1455940280 is an abundant number, since it is smaller than the sum of its proper divisors (1830486760).

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

1455940280 is a wasteful number, since it uses less digits than its factorization.

1455940280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117359 (or 117355 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 1455940280 is about 38156.7855040227. The cubic root of 1455940280 is about 1133.3947252403.

The spelling of 1455940280 in words is "one billion, four hundred fifty-five million, nine hundred forty thousand, two hundred eighty".