465778416 has 40 divisors (see below), whose sum is σ = 1225970640. Its totient is φ = 152329216.

The previous prime is 465778403. The next prime is 465778433. The reversal of 465778416 is 614877564.

It is a super-2 number, since 2×465778416² = 433899065622938112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 89001 + ... + 94088.

It is an arithmetic number, because the mean of its divisors is an integer number (30649266).

Almost surely, 2^465778416 is an apocalyptic number.

It is an amenable number.

465778416 is an abundant number, since it is smaller than the sum of its proper divisors (760192224).

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

465778416 is a wasteful number, since it uses less digits than its factorization.

465778416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183153 (or 183147 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 465778416 is about 21581.9001943758. The cubic root of 465778416 is about 775.1631517767.

The spelling of 465778416 in words is "four hundred sixty-five million, seven hundred seventy-eight thousand, four hundred sixteen".