40231420042 has 16 divisors (see below), whose sum is σ = 66095525664. Its totient is φ = 18214150000.

The previous prime is 40231419941. The next prime is 40231420043. The reversal of 40231420042 is 24002413204.

It is a happy number.

40231420042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 40231419995 and 40231420022.

It is not an unprimeable number, because it can be changed into a prime (40231420043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3637309 + ... + 3648352.

It is an arithmetic number, because the mean of its divisors is an integer number (4130970354).

Almost surely, 2^40231420042 is an apocalyptic number.

40231420042 is a deficient number, since it is larger than the sum of its proper divisors (25864105622).

40231420042 is a wasteful number, since it uses less digits than its factorization.

40231420042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7285925.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40231420042 its reverse (24002413204), we get a palindrome (64233833246).

The spelling of 40231420042 in words is "forty billion, two hundred thirty-one million, four hundred twenty thousand, forty-two".