40074492 has 24 divisors (see below), whose sum is σ = 93654400. Its totient is φ = 13337136.

The previous prime is 40074481. The next prime is 40074497. The reversal of 40074492 is 29447004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40074497) 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, 6609 + ... + 11127.

Almost surely, 2^40074492 is an apocalyptic number.

It is an amenable number.

40074492 is an abundant number, since it is smaller than the sum of its proper divisors (53579908).

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

40074492 is a wasteful number, since it uses less digits than its factorization.

40074492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265 (or 5263 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 40074492 is about 6330.4416907511. The cubic root of 40074492 is about 342.2073568969.

The spelling of 40074492 in words is "forty million, seventy-four thousand, four hundred ninety-two".