1465245520 has 40 divisors (see below), whose sum is σ = 3410969184. Its totient is φ = 585363072.

The previous prime is 1465245493. The next prime is 1465245569. The reversal of 1465245520 is 255425641.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 55087 + ... + 77233.

Almost surely, 2^1465245520 is an apocalyptic number.

1465245520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1465245520 is an abundant number, since it is smaller than the sum of its proper divisors (1945723664).

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

1465245520 is a wasteful number, since it uses less digits than its factorization.

1465245520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22987 (or 22981 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 1465245520 is about 38278.5255724407. The cubic root of 1465245520 is about 1135.8041924301.

The spelling of 1465245520 in words is "one billion, four hundred sixty-five million, two hundred forty-five thousand, five hundred twenty".