1465245540 has 72 divisors (see below), whose sum is σ = 4848637248. Its totient is φ = 355210560.

The previous prime is 1465245493. The next prime is 1465245569. The reversal of 1465245540 is 455425641.

1465245540 is a `hidden beast` number, since 1 + 46 + 524 + 55 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1465245495 and 1465245504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368032 + ... + 371991.

It is an arithmetic number, because the mean of its divisors is an integer number (67342184).

Almost surely, 2^1465245540 is an apocalyptic number.

1465245540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1465245540 is an abundant number, since it is smaller than the sum of its proper divisors (3383391708).

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

1465245540 is a wasteful number, since it uses less digits than its factorization.

1465245540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740049 (or 740044 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 1465245540 is about 38278.5258336838. The cubic root of 1465245540 is about 1135.8041975978.

The spelling of 1465245540 in words is "one billion, four hundred sixty-five million, two hundred forty-five thousand, five hundred forty".