39650396670 has 80 divisors (see below), whose sum is σ = 111251020320. Its totient is φ = 10113719616.

The previous prime is 39650396657. The next prime is 39650396671. The reversal of 39650396670 is 7669305693.

It is a happy number.

39650396670 is a `hidden beast` number, since 3 + 9 + 6 + 503 + 9 + 66 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39650396671) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1045525 + ... + 1082784.

It is an arithmetic number, because the mean of its divisors is an integer number (1390637754).

Almost surely, 2^39650396670 is an apocalyptic number.

39650396670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39650396670 is an abundant number, since it is smaller than the sum of its proper divisors (71600623650).

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

39650396670 is a wasteful number, since it uses less digits than its factorization.

39650396670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128351 (or 2128342 counting only the distinct ones).

The product of its (nonzero) digits is 5511240, while the sum is 54.

The spelling of 39650396670 in words is "thirty-nine billion, six hundred fifty million, three hundred ninety-six thousand, six hundred seventy".