40990534 has 8 divisors (see below), whose sum is σ = 66215520. Its totient is φ = 18918696.

The previous prime is 40990513. The next prime is 40990589. The reversal of 40990534 is 43509904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40990534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788254 + ... + 788305.

It is an arithmetic number, because the mean of its divisors is an integer number (8276940).

Almost surely, 2^40990534 is an apocalyptic number.

40990534 is a deficient number, since it is larger than the sum of its proper divisors (25224986).

40990534 is a wasteful number, since it uses less digits than its factorization.

40990534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576574.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 40990534 is about 6402.3850243483. The cubic root of 40990534 is about 344.7951847401.

The spelling of 40990534 in words is "forty million, nine hundred ninety thousand, five hundred thirty-four".