40440192 has 64 divisors (see below), whose sum is σ = 115696560. Its totient is φ = 12441600.

The previous prime is 40440157. The next prime is 40440203. The reversal of 40440192 is 29104404.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942 + ... + 9042.

Almost surely, 2^40440192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40440192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57848280).

40440192 is an abundant number, since it is smaller than the sum of its proper divisors (75256368).

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

40440192 is a wasteful number, since it uses less digits than its factorization.

40440192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8131 (or 8119 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 40440192 is about 6359.2603343471. The cubic root of 40440192 is about 343.2451448701.

Adding to 40440192 its reverse (29104404), we get a palindrome (69544596).

The spelling of 40440192 in words is "forty million, four hundred forty thousand, one hundred ninety-two".