19067938428 has 288 divisors, whose sum is σ = 58554388480. Its totient is φ = 4721587200.

The previous prime is 19067938387. The next prime is 19067938453. The reversal of 19067938428 is 82483976091.

It is a super-2 number, since 2×19067938428² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23000718 + ... + 23001546.

Almost surely, 2^19067938428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19067938428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29277194240).

19067938428 is an abundant number, since it is smaller than the sum of its proper divisors (39486450052).

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

19067938428 is a wasteful number, since it uses less digits than its factorization.

19067938428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 19067938428 in words is "nineteen billion, sixty-seven million, nine hundred thirty-eight thousand, four hundred twenty-eight".