308133650040 has 32 divisors (see below), whose sum is σ = 924400950480. Its totient is φ = 82168973312.

The previous prime is 308133650023. The next prime is 308133650047. The reversal of 308133650040 is 40056331803.

It is a junction number, because it is equal to n+sod(n) for n = 308133649983 and 308133650010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308133650047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283890089 + ... + 1283890328.

Almost surely, 2^308133650040 is an apocalyptic number.

308133650040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

308133650040 is an abundant number, since it is smaller than the sum of its proper divisors (616267300440).

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

308133650040 is a wasteful number, since it uses less digits than its factorization.

308133650040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567780431 (or 2567780427 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 308133650040 its reverse (40056331803), we get a palindrome (348189981843).

The spelling of 308133650040 in words is "three hundred eight billion, one hundred thirty-three million, six hundred fifty thousand, forty".