10423432240 has 40 divisors (see below), whose sum is σ = 26098673328. Its totient is φ = 3848651520.

The previous prime is 10423432211. The next prime is 10423432259. The reversal of 10423432240 is 4223432401.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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, 5010226 + ... + 5012305.

Almost surely, 2^10423432240 is an apocalyptic number.

10423432240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10423432240 is an abundant number, since it is smaller than the sum of its proper divisors (15675241088).

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

10423432240 is a wasteful number, since it uses less digits than its factorization.

10423432240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10022557 (or 10022551 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 10423432240 its reverse (4223432401), we get a palindrome (14646864641).

The spelling of 10423432240 in words is "ten billion, four hundred twenty-three million, four hundred thirty-two thousand, two hundred forty".