40574990 has 16 divisors (see below), whose sum is σ = 76210848. Its totient is φ = 15524256.

The previous prime is 40574987. The next prime is 40574993. The reversal of 40574990 is 9947504.

It is an interprime number because it is at equal distance from previous prime (40574987) and next prime (40574993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40574993) 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, 87977 + ... + 88436.

It is an arithmetic number, because the mean of its divisors is an integer number (4763178).

Almost surely, 2^40574990 is an apocalyptic number.

40574990 is a deficient number, since it is larger than the sum of its proper divisors (35635858).

40574990 is a wasteful number, since it uses less digits than its factorization.

40574990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176443.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 40574990 is about 6369.8500767287. The cubic root of 40574990 is about 343.6260979353.

The spelling of 40574990 in words is "forty million, five hundred seventy-four thousand, nine hundred ninety".