38224543940 has 24 divisors (see below), whose sum is σ = 87568955712. Its totient is φ = 13899834080.

The previous prime is 38224543913. The next prime is 38224543961. The reversal of 38224543940 is 4934542283.

It is a super-2 number, since 2×38224543940² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 38224543891 and 38224543900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86873744 + ... + 86874183.

It is an arithmetic number, because the mean of its divisors is an integer number (3648706488).

Almost surely, 2^38224543940 is an apocalyptic number.

It is an amenable number.

38224543940 is an abundant number, since it is smaller than the sum of its proper divisors (49344411772).

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

38224543940 is a wasteful number, since it uses less digits than its factorization.

38224543940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173747947 (or 173747945 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 38224543940 in words is "thirty-eight billion, two hundred twenty-four million, five hundred forty-three thousand, nine hundred forty".