40271154 has 64 divisors (see below), whose sum is σ = 101993472. Its totient is φ = 10296000.

The previous prime is 40271131. The next prime is 40271171. The reversal of 40271154 is 45117204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30304 + ... + 31604.

It is an arithmetic number, because the mean of its divisors is an integer number (1593648).

Almost surely, 2^40271154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40271154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50996736).

40271154 is an abundant number, since it is smaller than the sum of its proper divisors (61722318).

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

40271154 is a wasteful number, since it uses less digits than its factorization.

40271154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 40271154 is about 6345.9557199842. The cubic root of 40271154 is about 342.7662277296.

Adding to 40271154 its reverse (45117204), we get a palindrome (85388358).

The spelling of 40271154 in words is "forty million, two hundred seventy-one thousand, one hundred fifty-four".