40191562 has 32 divisors (see below), whose sum is σ = 64802304. Its totient is φ = 18662400.

The previous prime is 40191551. The next prime is 40191577. The reversal of 40191562 is 26519104.

It is a self number, because there is not a number n which added to its sum of digits gives 40191562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246493 + ... + 246655.

It is an arithmetic number, because the mean of its divisors is an integer number (2025072).

Almost surely, 2^40191562 is an apocalyptic number.

40191562 is a deficient number, since it is larger than the sum of its proper divisors (24610742).

40191562 is a wasteful number, since it uses less digits than its factorization.

40191562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 40191562 is about 6339.6815377430. The cubic root of 40191562 is about 342.5402641495.

The spelling of 40191562 in words is "forty million, one hundred ninety-one thousand, five hundred sixty-two".