40011231142 has 32 divisors (see below), whose sum is σ = 61483457664. Its totient is φ = 19522339200.

The previous prime is 40011231131. The next prime is 40011231209. The reversal of 40011231142 is 24113211004.

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, 17448148 + ... + 17450440.

It is an arithmetic number, because the mean of its divisors is an integer number (1921358052).

Almost surely, 2^40011231142 is an apocalyptic number.

40011231142 is a deficient number, since it is larger than the sum of its proper divisors (21472226522).

40011231142 is a wasteful number, since it uses less digits than its factorization.

40011231142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 40011231142 its reverse (24113211004), we get a palindrome (64124442146).

The spelling of 40011231142 in words is "forty billion, eleven million, two hundred thirty-one thousand, one hundred forty-two".