40195554 has 16 divisors (see below), whose sum is σ = 91875648. Its totient is φ = 11484432.

The previous prime is 40195553. The next prime is 40195567. The reversal of 40195554 is 45559104.

40195554 is nontrivially palindromic in base 5.

40195554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40195554² = 3231365122733832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40195553) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 478477 + ... + 478560.

It is an arithmetic number, because the mean of its divisors is an integer number (5742228).

Almost surely, 2^40195554 is an apocalyptic number.

40195554 is an abundant number, since it is smaller than the sum of its proper divisors (51680094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40195554 is a wasteful number, since it uses less digits than its factorization.

40195554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957049.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 40195554 is about 6339.9963722387. The cubic root of 40195554 is about 342.5516046349.

The spelling of 40195554 in words is "forty million, one hundred ninety-five thousand, five hundred fifty-four".