10619388780 has 864 divisors, whose sum is σ = 42898947840. Its totient is φ = 1937295360.

The previous prime is 10619388779. The next prime is 10619388841. The reversal of 10619388780 is 8788391601.

It is a super-2 number, since 2×10619388780² (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 287 ways as a sum of consecutive naturals, for example, 158498307 + ... + 158498373.

It is an arithmetic number, because the mean of its divisors is an integer number (49651560).

Almost surely, 2^10619388780 is an apocalyptic number.

10619388780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10619388780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21449473920).

10619388780 is an abundant number, since it is smaller than the sum of its proper divisors (32279559060).

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

10619388780 is a wasteful number, since it uses less digits than its factorization.

10619388780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 10619388780 in words is "ten billion, six hundred nineteen million, three hundred eighty-eight thousand, seven hundred eighty".