19415178480 has 160 divisors (see below), whose sum is σ = 62215446528. Its totient is φ = 5003366400.

The previous prime is 19415178473. The next prime is 19415178509. The reversal of 19415178480 is 8487151491.

It is a super-2 number, since 2×19415178480² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7267545 + ... + 7270215.

Almost surely, 2^19415178480 is an apocalyptic number.

19415178480 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 19415178480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31107723264).

19415178480 is an abundant number, since it is smaller than the sum of its proper divisors (42800268048).

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

19415178480 is a wasteful number, since it uses less digits than its factorization.

19415178480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695 (or 3689 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 19415178480 in words is "nineteen billion, four hundred fifteen million, one hundred seventy-eight thousand, four hundred eighty".