1452240540 has 72 divisors (see below), whose sum is σ = 4557047040. Its totient is φ = 373908864.

The previous prime is 1452240533. The next prime is 1452240551. The reversal of 1452240540 is 450422541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133884 + ... + 144323.

It is an arithmetic number, because the mean of its divisors is an integer number (63292320).

Almost surely, 2^1452240540 is an apocalyptic number.

1452240540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452240540 is an abundant number, since it is smaller than the sum of its proper divisors (3104806500).

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

1452240540 is a wasteful number, since it uses less digits than its factorization.

1452240540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278251 (or 278246 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 1452240540 is about 38108.2739047572. The cubic root of 1452240540 is about 1132.4338747702.

The spelling of 1452240540 in words is "one billion, four hundred fifty-two million, two hundred forty thousand, five hundred forty".