40432102345 has 16 divisors (see below), whose sum is σ = 49010822928. Its totient is φ = 32017638400.

The previous prime is 40432102343. The next prime is 40432102423. The reversal of 40432102345 is 54320123404.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 19561099321 + 20871003024 = 139861^2 + 144468^2 .

It is not a de Polignac number, because 40432102345 - 2¹ = 40432102343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40432102343) 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, 2971197 + ... + 2984773.

It is an arithmetic number, because the mean of its divisors is an integer number (3063176433).

Almost surely, 2^40432102345 is an apocalyptic number.

It is an amenable number.

40432102345 is a deficient number, since it is larger than the sum of its proper divisors (8578720583).

40432102345 is a wasteful number, since it uses less digits than its factorization.

40432102345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19580.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 40432102345 its reverse (54320123404), we get a palindrome (94752225749).

The spelling of 40432102345 in words is "forty billion, four hundred thirty-two million, one hundred two thousand, three hundred forty-five".