38261266253740 has 48 divisors (see below), whose sum is σ = 88254820120320. Its totient is φ = 13868614584000.

The previous prime is 38261266253729. The next prime is 38261266253803. The reversal of 38261266253740 is 4735266216283.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2188850886 + ... + 2188868365.

It is an arithmetic number, because the mean of its divisors is an integer number (1838642085840).

Almost surely, 2^{38261266253740} is an apocalyptic number.

It is an amenable number.

38261266253740 is an abundant number, since it is smaller than the sum of its proper divisors (49993553866580).

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

38261266253740 is a wasteful number, since it uses less digits than its factorization.

38261266253740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377719302 (or 4377719300 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 55.

The spelling of 38261266253740 in words is "thirty-eight trillion, two hundred sixty-one billion, two hundred sixty-six million, two hundred fifty-three thousand, seven hundred forty".