464315138415 has 24 divisors (see below), whose sum is σ = 826564609728. Its totient is φ = 240941908800.

The previous prime is 464315138407. The next prime is 464315138423. The reversal of 464315138415 is 514831513464.

It is a happy number.

464315138415 is a `hidden beast` number, since 4 + 6 + 43 + 1 + 513 + 84 + 15 = 666.

It is an interprime number because it is at equal distance from previous prime (464315138407) and next prime (464315138423).

It is not a de Polignac number, because 464315138415 - 2³ = 464315138407 is a prime.

It is a super-2 number, since 2×464315138415² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 139432311 + ... + 139435640.

It is an arithmetic number, because the mean of its divisors is an integer number (34440192072).

Almost surely, 2^464315138415 is an apocalyptic number.

464315138415 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

464315138415 is a deficient number, since it is larger than the sum of its proper divisors (362249471313).

464315138415 is a wasteful number, since it uses less digits than its factorization.

464315138415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278867999 (or 278867996 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The spelling of 464315138415 in words is "four hundred sixty-four billion, three hundred fifteen million, one hundred thirty-eight thousand, four hundred fifteen".