40134028 has 48 divisors (see below), whose sum is σ = 80559360. Its totient is φ = 17326400.

The previous prime is 40134001. The next prime is 40134043. The reversal of 40134028 is 82043104.

It is a super-2 number, since 2×40134028² = 3221480407009568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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, 90375 + ... + 90817.

It is an arithmetic number, because the mean of its divisors is an integer number (1678320).

Almost surely, 2^40134028 is an apocalyptic number.

It is an amenable number.

40134028 is an abundant number, since it is smaller than the sum of its proper divisors (40425332).

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

40134028 is a wasteful number, since it uses less digits than its factorization.

40134028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 40134028 is about 6335.1423030584. The cubic root of 40134028 is about 342.3767379275.

The spelling of 40134028 in words is "forty million, one hundred thirty-four thousand, twenty-eight".