464461515 has 48 divisors (see below), whose sum is σ = 922903488. Its totient is φ = 211673088.

The previous prime is 464461493. The next prime is 464461519. The reversal of 464461515 is 515164464.

464461515 is a `hidden beast` number, since 4 + 644 + 6 + 1 + 5 + 1 + 5 = 666.

It is not a de Polignac number, because 464461515 - 2⁵ = 464461483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 464461515.

It is not an unprimeable number, because it can be changed into a prime (464461519) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 109107 + ... + 113283.

It is an arithmetic number, because the mean of its divisors is an integer number (19227156).

Almost surely, 2^464461515 is an apocalyptic number.

464461515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

464461515 is a deficient number, since it is larger than the sum of its proper divisors (458441973).

464461515 is a wasteful number, since it uses less digits than its factorization.

464461515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548 (or 4545 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 464461515 is about 21551.3692140430. The cubic root of 464461515 is about 774.4319194560.

It can be divided in two parts, 46446 and 1515, that added together give a square (47961 = 219²).

The spelling of 464461515 in words is "four hundred sixty-four million, four hundred sixty-one thousand, five hundred fifteen".