40394000610 has 24 divisors (see below), whose sum is σ = 105024401820. Its totient is φ = 10771733472.

The previous prime is 40394000573. The next prime is 40394000623. The reversal of 40394000610 is 1600049304.

40394000610 is a `hidden beast` number, since 4 + 0 + 3 + 9 + 40 + 0 + 0 + 610 = 666.

40394000610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39569564241 + 824436369 = 198921^2 + 28713^2 .

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, 224411025 + ... + 224411204.

Almost surely, 2^40394000610 is an apocalyptic number.

40394000610 is an abundant number, since it is smaller than the sum of its proper divisors (64630401210).

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

40394000610 is a wasteful number, since it uses less digits than its factorization.

40394000610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448822242 (or 448822239 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 40394000610 its reverse (1600049304), we get a palindrome (41994049914).

The spelling of 40394000610 in words is "forty billion, three hundred ninety-four million, six hundred ten", and thus it is an aban number.