40321421342 has 16 divisors (see below), whose sum is σ = 61185326400. Its totient is φ = 19926487680.

The previous prime is 40321421297. The next prime is 40321421351. The reversal of 40321421342 is 24312412304.

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, 433034 + ... + 517842.

It is an arithmetic number, because the mean of its divisors is an integer number (3824082900).

Almost surely, 2^40321421342 is an apocalyptic number.

40321421342 is a deficient number, since it is larger than the sum of its proper divisors (20863905058).

40321421342 is a wasteful number, since it uses less digits than its factorization.

40321421342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87571.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 40321421342 its reverse (24312412304), we get a palindrome (64633833646).

The spelling of 40321421342 in words is "forty billion, three hundred twenty-one million, four hundred twenty-one thousand, three hundred forty-two".