1451241540 has 72 divisors (see below), whose sum is σ = 5030975040. Its totient is φ = 331712064.

The previous prime is 1451241487. The next prime is 1451241559. The reversal of 1451241540 is 451421541.

It is a super-2 number, since 2×1451241540² = 4212204014843143200, which contains 22 as substring.

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, 574630 + ... + 577149.

Almost surely, 2^1451241540 is an apocalyptic number.

1451241540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451241540 is an abundant number, since it is smaller than the sum of its proper divisors (3579733500).

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

1451241540 is a wasteful number, since it uses less digits than its factorization.

1451241540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151801 (or 1151796 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1451241540 is about 38095.1642600475. The cubic root of 1451241540 is about 1132.1741471476.

The spelling of 1451241540 in words is "one billion, four hundred fifty-one million, two hundred forty-one thousand, five hundred forty".