2445197040 has 720 divisors, whose sum is σ = 10373336064. Its totient is φ = 510935040.

The previous prime is 2445196997. The next prime is 2445197081. The reversal of 2445197040 is 407915442.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2445196986 and 2445197004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 19253457 + ... + 19253583.

Almost surely, 2^2445197040 is an apocalyptic number.

2445197040 is a gapful number since it is divisible by the number (20) 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 2445197040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5186668032).

2445197040 is an abundant number, since it is smaller than the sum of its proper divisors (7928139024).

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

2445197040 is a wasteful number, since it uses less digits than its factorization.

2445197040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2445197040 is about 49448.9336588768. The cubic root of 2445197040 is about 1347.2182390196.

The spelling of 2445197040 in words is "two billion, four hundred forty-five million, one hundred ninety-seven thousand, forty".