40203000342 has 36 divisors (see below), whose sum is σ = 88999351116. Its totient is φ = 13115859480.

The previous prime is 40203000317. The next prime is 40203000359. The reversal of 40203000342 is 24300030204.

40203000342 is a `hidden beast` number, since 4 + 0 + 20 + 300 + 0 + 342 = 666.

It is a super-3 number, since 3×40203000342³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 465784 + ... + 545307.

Almost surely, 2^40203000342 is an apocalyptic number.

40203000342 is an abundant number, since it is smaller than the sum of its proper divisors (48796350774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40203000342 is a wasteful number, since it uses less digits than its factorization.

40203000342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011193 (or 1011143 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 40203000342 its reverse (24300030204), we get a palindrome (64503030546).

The spelling of 40203000342 in words is "forty billion, two hundred three million, three hundred forty-two", and thus it is an aban number.