40432231404 has 48 divisors (see below), whose sum is σ = 108438943200. Its totient is φ = 13012671168.

The previous prime is 40432231397. The next prime is 40432231409. The reversal of 40432231404 is 40413223404.

It is a happy number.

It is a super-2 number, since 2×40432231404² (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (40432231409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6451567 + ... + 6457830.

It is an arithmetic number, because the mean of its divisors is an integer number (2259144650).

Almost surely, 2^40432231404 is an apocalyptic number.

It is an amenable number.

40432231404 is an abundant number, since it is smaller than the sum of its proper divisors (68006711796).

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

40432231404 is a wasteful number, since it uses less digits than its factorization.

40432231404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12909439 (or 12909431 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 40432231404 its reverse (40413223404), we get a palindrome (80845454808).

The spelling of 40432231404 in words is "forty billion, four hundred thirty-two million, two hundred thirty-one thousand, four hundred four".