40197344 has 24 divisors (see below), whose sum is σ = 86333688. Its totient is φ = 18271360.

The previous prime is 40197341. The next prime is 40197379. The reversal of 40197344 is 44379104.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 40197344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40197341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56747 + ... + 57450.

It is an arithmetic number, because the mean of its divisors is an integer number (3597237).

Almost surely, 2^40197344 is an apocalyptic number.

40197344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40197344 is an abundant number, since it is smaller than the sum of its proper divisors (46136344).

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

40197344 is a wasteful number, since it uses less digits than its factorization.

40197344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114218 (or 114210 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 40197344 is about 6340.1375379403. The cubic root of 40197344 is about 342.5566894283.

The spelling of 40197344 in words is "forty million, one hundred ninety-seven thousand, three hundred forty-four".