40154022 has 32 divisors (see below), whose sum is σ = 89480160. Its totient is φ = 13347360.

The previous prime is 40154003. The next prime is 40154029. The reversal of 40154022 is 22045104.

40154022 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 2×40154022² = 3224690965552968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 40153986 and 40154004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40154029) 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 15 ways as a sum of consecutive naturals, for example, 24088 + ... + 25700.

It is an arithmetic number, because the mean of its divisors is an integer number (2796255).

Almost surely, 2^40154022 is an apocalyptic number.

40154022 is an abundant number, since it is smaller than the sum of its proper divisors (49326138).

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

40154022 is a wasteful number, since it uses less digits than its factorization.

40154022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085 (or 2079 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 40154022 is about 6336.7201295307. The cubic root of 40154022 is about 342.4335836549.

Adding to 40154022 its reverse (22045104), we get a palindrome (62199126).

The spelling of 40154022 in words is "forty million, one hundred fifty-four thousand, twenty-two".