38452840261 has 48 divisors (see below), whose sum is σ = 44930350080. Its totient is φ = 32596704000.

The previous prime is 38452840253. The next prime is 38452840271. The reversal of 38452840261 is 16204825483.

It is a happy number.

It is not a de Polignac number, because 38452840261 - 2³ = 38452840253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38452840241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83411571 + ... + 83412031.

It is an arithmetic number, because the mean of its divisors is an integer number (936048960).

Almost surely, 2^38452840261 is an apocalyptic number.

It is an amenable number.

38452840261 is a deficient number, since it is larger than the sum of its proper divisors (6477509819).

38452840261 is a wasteful number, since it uses less digits than its factorization.

38452840261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 38452840261 in words is "thirty-eight billion, four hundred fifty-two million, eight hundred forty thousand, two hundred sixty-one".