40997534 has 4 divisors (see below), whose sum is σ = 61496304. Its totient is φ = 20498766.

The previous prime is 40997519. The next prime is 40997543. The reversal of 40997534 is 43579904.

40997534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 40997491 and 40997500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10249382 + ... + 10249385.

It is an arithmetic number, because the mean of its divisors is an integer number (15374076).

Almost surely, 2^40997534 is an apocalyptic number.

40997534 is a deficient number, since it is larger than the sum of its proper divisors (20498770).

40997534 is a wasteful number, since it uses less digits than its factorization.

40997534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20498769.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 40997534 is about 6402.9316722889. The cubic root of 40997534 is about 344.8148106446.

The spelling of 40997534 in words is "forty million, nine hundred ninety-seven thousand, five hundred thirty-four".