40040503434 has 24 divisors (see below), whose sum is σ = 86855452320. Its totient is φ = 13331291688.

The previous prime is 40040503417. The next prime is 40040503469. The reversal of 40040503434 is 43430504004.

It is a junction number, because it is equal to n+sod(n) for n = 40040503398 and 40040503407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1279342 + ... + 1310265.

It is an arithmetic number, because the mean of its divisors is an integer number (3618977180).

Almost surely, 2^40040503434 is an apocalyptic number.

40040503434 is an abundant number, since it is smaller than the sum of its proper divisors (46814948886).

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

40040503434 is a wasteful number, since it uses less digits than its factorization.

40040503434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590474 (or 2590471 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The spelling of 40040503434 in words is "forty billion, forty million, five hundred three thousand, four hundred thirty-four".