32323440428 has 12 divisors (see below), whose sum is σ = 56614666920. Its totient is φ = 16147821312.

The previous prime is 32323440427. The next prime is 32323440449. The reversal of 32323440428 is 82404432323.

It is a super-2 number, since 2×32323440428² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32323440421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3469493 + ... + 3478796.

It is an arithmetic number, because the mean of its divisors is an integer number (4717888910).

Almost surely, 2^32323440428 is an apocalyptic number.

It is an amenable number.

32323440428 is a deficient number, since it is larger than the sum of its proper divisors (24291226492).

32323440428 is a wasteful number, since it uses less digits than its factorization.

32323440428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6949456 (or 6949454 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

The spelling of 32323440428 in words is "thirty-two billion, three hundred twenty-three million, four hundred forty thousand, four hundred twenty-eight".