40971590 has 32 divisors (see below), whose sum is σ = 80955936. Its totient is φ = 14805760.

The previous prime is 40971583. The next prime is 40971599. The reversal of 40971590 is 9517904.

It is a super-3 number, since 3×40971590³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40971590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40971599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17954 + ... + 20106.

It is an arithmetic number, because the mean of its divisors is an integer number (2529873).

Almost surely, 2^40971590 is an apocalyptic number.

40971590 is a deficient number, since it is larger than the sum of its proper divisors (39984346).

40971590 is a wasteful number, since it uses less digits than its factorization.

40971590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 40971590 is about 6400.9054047064. The cubic root of 40971590 is about 344.7420602271.

The spelling of 40971590 in words is "forty million, nine hundred seventy-one thousand, five hundred ninety".