40347324532 has 12 divisors (see below), whose sum is σ = 70618145220. Its totient is φ = 20170711616.

The previous prime is 40347324509. The next prime is 40347324557. The reversal of 40347324532 is 23542374304.

It can be written as a sum of positive squares in 2 ways, for example, as 21119064976 + 19228259556 = 145324^2 + 138666^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40347324491 and 40347324500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706753 + ... + 761704.

It is an arithmetic number, because the mean of its divisors is an integer number (5884845435).

Almost surely, 2^40347324532 is an apocalyptic number.

It is an amenable number.

40347324532 is a deficient number, since it is larger than the sum of its proper divisors (30270820688).

40347324532 is a wasteful number, since it uses less digits than its factorization.

40347324532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475330 (or 1475328 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 37.

Adding to 40347324532 its reverse (23542374304), we get a palindrome (63889698836).

The spelling of 40347324532 in words is "forty billion, three hundred forty-seven million, three hundred twenty-four thousand, five hundred thirty-two".