40891770650 has 48 divisors (see below), whose sum is σ = 77274637440. Its totient is φ = 16096579200.

The previous prime is 40891770643. The next prime is 40891770659. The reversal of 40891770650 is 5607719804.

40891770650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40891770595 and 40891770604.

It is not an unprimeable number, because it can be changed into a prime (40891770659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1195790 + ... + 1229510.

It is an arithmetic number, because the mean of its divisors is an integer number (1609888280).

Almost surely, 2^40891770650 is an apocalyptic number.

40891770650 is a deficient number, since it is larger than the sum of its proper divisors (36382866790).

40891770650 is a wasteful number, since it uses less digits than its factorization.

40891770650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34119 (or 34114 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 40891770650 in words is "forty billion, eight hundred ninety-one million, seven hundred seventy thousand, six hundred fifty".