39920137350 has 48 divisors (see below), whose sum is σ = 99169112592. Its totient is φ = 10627394560.

The previous prime is 39920137349. The next prime is 39920137351. The reversal of 39920137350 is 5373102993.

39920137350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (39920137349) and next prime (39920137351).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39920137351) 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, 135447 + ... + 313346.

It is an arithmetic number, because the mean of its divisors is an integer number (2066023179).

Almost surely, 2^39920137350 is an apocalyptic number.

39920137350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39920137350 is an abundant number, since it is smaller than the sum of its proper divisors (59248975242).

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

39920137350 is a wasteful number, since it uses less digits than its factorization.

39920137350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449401 (or 449396 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 42.

The spelling of 39920137350 in words is "thirty-nine billion, nine hundred twenty million, one hundred thirty-seven thousand, three hundred fifty".