40203506436 has 24 divisors (see below), whose sum is σ = 95346022464. Its totient is φ = 13181477280.

The previous prime is 40203506383. The next prime is 40203506449. The reversal of 40203506436 is 63460530204.

It is a junction number, because it is equal to n+sod(n) for n = 40203506397 and 40203506406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27460680 + ... + 27462143.

It is an arithmetic number, because the mean of its divisors is an integer number (3972750936).

Almost surely, 2^40203506436 is an apocalyptic number.

It is an amenable number.

40203506436 is an abundant number, since it is smaller than the sum of its proper divisors (55142516028).

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

40203506436 is a wasteful number, since it uses less digits than its factorization.

40203506436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54922891 (or 54922889 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 40203506436 in words is "forty billion, two hundred three million, five hundred six thousand, four hundred thirty-six".