1464645740 has 24 divisors (see below), whose sum is σ = 3158886192. Its totient is φ = 570024000.

The previous prime is 1464645737. The next prime is 1464645751. The reversal of 1464645740 is 475464641.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988886 + ... + 990365.

It is an arithmetic number, because the mean of its divisors is an integer number (131620258).

Almost surely, 2^1464645740 is an apocalyptic number.

1464645740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1464645740 is an abundant number, since it is smaller than the sum of its proper divisors (1694240452).

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

1464645740 is a wasteful number, since it uses less digits than its factorization.

1464645740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979297 (or 1979295 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The square root of 1464645740 is about 38270.6903517561. The cubic root of 1464645740 is about 1135.6491955139.

The spelling of 1464645740 in words is "one billion, four hundred sixty-four million, six hundred forty-five thousand, seven hundred forty".