1972239360 has 704 divisors, whose sum is σ = 8319532032. Its totient is φ = 386924544.

The previous prime is 1972239341. The next prime is 1972239383. The reversal of 1972239360 is 639322791.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23761879 + ... + 23761961.

Almost surely, 2^1972239360 is an apocalyptic number.

1972239360 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 1972239360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4159766016).

1972239360 is an abundant number, since it is smaller than the sum of its proper divisors (6347292672).

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

1972239360 is a wasteful number, since it uses less digits than its factorization.

1972239360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 1972239360 is about 44409.9015986300. The cubic root of 1972239360 is about 1254.0644996827.

The spelling of 1972239360 in words is "one billion, nine hundred seventy-two million, two hundred thirty-nine thousand, three hundred sixty".