39925780350 has 24 divisors (see below), whose sum is σ = 99015935640. Its totient is φ = 10646874720.

The previous prime is 39925780333. The next prime is 39925780357. The reversal of 39925780350 is 5308752993.

It is a super-2 number, since 2×39925780350² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39925780293 and 39925780302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39925780357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133085785 + ... + 133086084.

It is an arithmetic number, because the mean of its divisors is an integer number (4125663985).

Almost surely, 2^39925780350 is an apocalyptic number.

39925780350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39925780350 is an abundant number, since it is smaller than the sum of its proper divisors (59090155290).

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

39925780350 is a wasteful number, since it uses less digits than its factorization.

39925780350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266171884 (or 266171879 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 51.

The spelling of 39925780350 in words is "thirty-nine billion, nine hundred twenty-five million, seven hundred eighty thousand, three hundred fifty".