40230400203142 has 4 divisors (see below), whose sum is σ = 60345600304716. Its totient is φ = 20115200101570.

The previous prime is 40230400202959. The next prime is 40230400203167. The reversal of 40230400203142 is 24130200403204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10057600050784 + ... + 10057600050787.

It is an arithmetic number, because the mean of its divisors is an integer number (15086400076179).

Almost surely, 2^{40230400203142} is an apocalyptic number.

40230400203142 is a deficient number, since it is larger than the sum of its proper divisors (20115200101574).

40230400203142 is a wasteful number, since it uses less digits than its factorization.

40230400203142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20115200101573.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40230400203142 its reverse (24130200403204), we get a palindrome (64360600606346).

The spelling of 40230400203142 in words is "forty trillion, two hundred thirty billion, four hundred million, two hundred three thousand, one hundred forty-two".