40074132 has 24 divisors (see below), whose sum is σ = 106864576. Its totient is φ = 11449728.

The previous prime is 40074131. The next prime is 40074137. The reversal of 40074132 is 23147004.

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

It is a junction number, because it is equal to n+sod(n) for n = 40074099 and 40074108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40074131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238453 + ... + 238620.

Almost surely, 2^40074132 is an apocalyptic number.

40074132 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40074132 is an abundant number, since it is smaller than the sum of its proper divisors (66790444).

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

40074132 is a wasteful number, since it uses less digits than its factorization.

40074132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477087 (or 477085 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 40074132 is about 6330.4132566524. The cubic root of 40074132 is about 342.2063321801.

The spelling of 40074132 in words is "forty million, seventy-four thousand, one hundred thirty-two".