424401432040 has 64 divisors (see below), whose sum is σ = 1035734409360. Its totient is φ = 155877703680.

The previous prime is 424401431981. The next prime is 424401432047. The reversal of 424401432040 is 40234104424.

It can be written as a sum of positive squares in 8 ways, for example, as 113610791844 + 310790640196 = 337062^2 + 557486^2 .

It is not an unprimeable number, because it can be changed into a prime (424401432047) 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, 7583337 + ... + 7639096.

Almost surely, 2^424401432040 is an apocalyptic number.

424401432040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424401432040 is an abundant number, since it is smaller than the sum of its proper divisors (611332977320).

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

424401432040 is a wasteful number, since it uses less digits than its factorization.

424401432040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15222502 (or 15222498 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 424401432040 its reverse (40234104424), we get a palindrome (464635536464).

The spelling of 424401432040 in words is "four hundred twenty-four billion, four hundred one million, four hundred thirty-two thousand, forty".