32405842249 has 12 divisors (see below), whose sum is σ = 36955698192. Its totient is φ = 28178988200.

The previous prime is 32405842247. The next prime is 32405842279. The reversal of 32405842249 is 94224850423.

It is a happy number.

It is not a de Polignac number, because 32405842249 - 2¹ = 32405842247 is a prime.

It is a super-2 number, since 2×32405842249² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32405842247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2778667 + ... + 2790304.

It is an arithmetic number, because the mean of its divisors is an integer number (3079641516).

Almost surely, 2^32405842249 is an apocalyptic number.

It is an amenable number.

32405842249 is a deficient number, since it is larger than the sum of its proper divisors (4549855943).

32405842249 is a wasteful number, since it uses less digits than its factorization.

32405842249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5569028 (or 5569005 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 32405842249 in words is "thirty-two billion, four hundred five million, eight hundred forty-two thousand, two hundred forty-nine".