40161526 has 4 divisors (see below), whose sum is σ = 60242292. Its totient is φ = 20080762.

The previous prime is 40161503. The next prime is 40161551. The reversal of 40161526 is 62516104.

40161526 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 super-2 number, since 2×40161526² = 3225896341297352, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 40161526.

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, 10040380 + ... + 10040383.

It is an arithmetic number, because the mean of its divisors is an integer number (15060573).

Almost surely, 2^40161526 is an apocalyptic number.

40161526 is a deficient number, since it is larger than the sum of its proper divisors (20080766).

40161526 is a wasteful number, since it uses less digits than its factorization.

40161526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20080765.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 40161526 is about 6337.3122062906. The cubic root of 40161526 is about 342.4549137021.

The spelling of 40161526 in words is "forty million, one hundred sixty-one thousand, five hundred twenty-six".