46161440 has 48 divisors (see below), whose sum is σ = 117450648. Its totient is φ = 17043456.

The previous prime is 46161439. The next prime is 46161481. The reversal of 46161440 is 4416164.

It can be written as a sum of positive squares in 4 ways, for example, as 39790864 + 6370576 = 6308^2 + 2524^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 9017 + ... + 13176.

Almost surely, 2^46161440 is an apocalyptic number.

46161440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46161440 is an abundant number, since it is smaller than the sum of its proper divisors (71289208).

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

46161440 is a wasteful number, since it uses less digits than its factorization.

46161440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22221 (or 22213 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 46161440 is about 6794.2210738244. The cubic root of 46161440 is about 358.7234623662.

The spelling of 46161440 in words is "forty-six million, one hundred sixty-one thousand, four hundred forty".