46140402 has 32 divisors (see below), whose sum is σ = 115052544. Its totient is φ = 11984400.

The previous prime is 46140377. The next prime is 46140403. The reversal of 46140402 is 20404164.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (46140403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49474 + ... + 50397.

It is an arithmetic number, because the mean of its divisors is an integer number (3595392).

Almost surely, 2^46140402 is an apocalyptic number.

46140402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

46140402 is an abundant number, since it is smaller than the sum of its proper divisors (68912142).

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

46140402 is a wasteful number, since it uses less digits than its factorization.

46140402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99894.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 46140402 is about 6792.6726698701. The cubic root of 46140402 is about 358.6689582102.

Adding to 46140402 its reverse (20404164), we get a palindrome (66544566).

The spelling of 46140402 in words is "forty-six million, one hundred forty thousand, four hundred two".