40342143244 has 48 divisors (see below), whose sum is σ = 79475820480. Its totient is φ = 17778309120.

The previous prime is 40342143209. The next prime is 40342143253. The reversal of 40342143244 is 44234124304.

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, 650884 + ... + 710164.

It is an arithmetic number, because the mean of its divisors is an integer number (1655746260).

Almost surely, 2^40342143244 is an apocalyptic number.

It is an amenable number.

40342143244 is a deficient number, since it is larger than the sum of its proper divisors (39133677236).

40342143244 is a wasteful number, since it uses less digits than its factorization.

40342143244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59890 (or 59888 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 40342143244 its reverse (44234124304), we get a palindrome (84576267548).

The spelling of 40342143244 in words is "forty billion, three hundred forty-two million, one hundred forty-three thousand, two hundred forty-four".