40344545221142 has 8 divisors (see below), whose sum is σ = 60535386978600. Its totient is φ = 20166082894944.

The previous prime is 40344545221139. The next prime is 40344545221177. The reversal of 40344545221142 is 24112254544304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40344545221142.

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, 3094849667 + ... + 3094862702.

It is an arithmetic number, because the mean of its divisors is an integer number (7566923372325).

Almost surely, 2^{40344545221142} is an apocalyptic number.

40344545221142 is a deficient number, since it is larger than the sum of its proper divisors (20190841757458).

40344545221142 is a wasteful number, since it uses less digits than its factorization.

40344545221142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6189715630.

The product of its (nonzero) digits is 614400, while the sum is 41.

Adding to 40344545221142 its reverse (24112254544304), we get a palindrome (64456799765446).

The spelling of 40344545221142 in words is "forty trillion, three hundred forty-four billion, five hundred forty-five million, two hundred twenty-one thousand, one hundred forty-two".