40531225342 has 32 divisors (see below), whose sum is σ = 66531456000. Its totient is φ = 18435527040.

The previous prime is 40531225333. The next prime is 40531225379. The reversal of 40531225342 is 24352213504.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848409 + ... + 894907.

It is an arithmetic number, because the mean of its divisors is an integer number (2079108000).

Almost surely, 2^40531225342 is an apocalyptic number.

40531225342 is a deficient number, since it is larger than the sum of its proper divisors (26000230658).

40531225342 is a wasteful number, since it uses less digits than its factorization.

40531225342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47376.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 40531225342 its reverse (24352213504), we get a palindrome (64883438846).

The spelling of 40531225342 in words is "forty billion, five hundred thirty-one million, two hundred twenty-five thousand, three hundred forty-two".