40266437850 has 96 divisors (see below), whose sum is σ = 114535764480. Its totient is φ = 10391328000.

The previous prime is 40266437839. The next prime is 40266437863. The reversal of 40266437850 is 5873466204.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 40266437796 and 40266437805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 439231 + ... + 522930.

It is an arithmetic number, because the mean of its divisors is an integer number (1193080880).

Almost surely, 2^40266437850 is an apocalyptic number.

40266437850 is an abundant number, since it is smaller than the sum of its proper divisors (74269326630).

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

40266437850 is a wasteful number, since it uses less digits than its factorization.

40266437850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962213 (or 962202 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 40266437850 in words is "forty billion, two hundred sixty-six million, four hundred thirty-seven thousand, eight hundred fifty".