40245174 has 36 divisors (see below), whose sum is σ = 90576564. Its totient is φ = 13410684.

The previous prime is 40245133. The next prime is 40245181. The reversal of 40245174 is 47154204.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11589 + ... + 14655.

Almost surely, 2^40245174 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40245174, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45288282).

40245174 is an abundant number, since it is smaller than the sum of its proper divisors (50331390).

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

40245174 is an frugal number, since it uses more digits than its factorization.

40245174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093 (or 3072 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 40245174 is about 6343.9084167412. The cubic root of 40245174 is about 342.6925026488.

Adding to 40245174 its reverse (47154204), we get a palindrome (87399378).

The spelling of 40245174 in words is "forty million, two hundred forty-five thousand, one hundred seventy-four".