40424120232 has 32 divisors (see below), whose sum is σ = 103525188480. Its totient is φ = 13146055040.

The previous prime is 40424120221. The next prime is 40424120237. The reversal of 40424120232 is 23202142404.

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

It is not an unprimeable number, because it can be changed into a prime (40424120237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20539728 + ... + 20541695.

It is an arithmetic number, because the mean of its divisors is an integer number (3235162140).

Almost surely, 2^40424120232 is an apocalyptic number.

It is an amenable number.

40424120232 is an abundant number, since it is smaller than the sum of its proper divisors (63101068248).

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

40424120232 is a wasteful number, since it uses less digits than its factorization.

40424120232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41081473 (or 41081469 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40424120232 its reverse (23202142404), we get a palindrome (63626262636).

The spelling of 40424120232 in words is "forty billion, four hundred twenty-four million, one hundred twenty thousand, two hundred thirty-two".