46138478 has 32 divisors (see below), whose sum is σ = 75202560. Its totient is φ = 21178080.

The previous prime is 46138457. The next prime is 46138481. The reversal of 46138478 is 87483164.

Its product of digits (129024) is a multiple of the sum of its prime divisors (512).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120275 + ... + 120657.

It is an arithmetic number, because the mean of its divisors is an integer number (2350080).

Almost surely, 2^46138478 is an apocalyptic number.

46138478 is a deficient number, since it is larger than the sum of its proper divisors (29064082).

46138478 is a wasteful number, since it uses less digits than its factorization.

46138478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512.

The product of its digits is 129024, while the sum is 41.

The square root of 46138478 is about 6792.5310451996. The cubic root of 46138478 is about 358.6639727843.

The spelling of 46138478 in words is "forty-six million, one hundred thirty-eight thousand, four hundred seventy-eight".