46278468 has 18 divisors (see below), whose sum is σ = 116981774. Its totient is φ = 15426144.

The previous prime is 46278467. The next prime is 46278469. The reversal of 46278468 is 86487264.

It is an interprime number because it is at equal distance from previous prime (46278467) and next prime (46278469).

It can be written as a sum of positive squares in only one way, i.e., 32970564 + 13307904 = 5742^2 + 3648^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (46278467) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 642721 + ... + 642792.

Almost surely, 2^46278468 is an apocalyptic number.

It is an amenable number.

46278468 is an abundant number, since it is smaller than the sum of its proper divisors (70703306).

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

46278468 is a wasteful number, since it uses less digits than its factorization.

46278468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285523 (or 1285518 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 46278468 is about 6802.8279413785. The cubic root of 46278468 is about 359.0263505408.

The spelling of 46278468 in words is "forty-six million, two hundred seventy-eight thousand, four hundred sixty-eight".