40302131342 has 16 divisors (see below), whose sum is σ = 66095838000. Its totient is φ = 18278346240.

The previous prime is 40302131323. The next prime is 40302131357. The reversal of 40302131342 is 24313120304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2030117 + ... + 2049872.

It is an arithmetic number, because the mean of its divisors is an integer number (4130989875).

Almost surely, 2^40302131342 is an apocalyptic number.

40302131342 is a deficient number, since it is larger than the sum of its proper divisors (25793706658).

40302131342 is a wasteful number, since it uses less digits than its factorization.

40302131342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080451.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 40302131342 its reverse (24313120304), we get a palindrome (64615251646).

The spelling of 40302131342 in words is "forty billion, three hundred two million, one hundred thirty-one thousand, three hundred forty-two".