2997923040 has 576 divisors, whose sum is σ = 12446493696. Its totient is φ = 642318336.

The previous prime is 2997923009. The next prime is 2997923041. The reversal of 2997923040 is 403297992.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2997923041) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15533184 + ... + 15533376.

It is an arithmetic number, because the mean of its divisors is an integer number (21608496).

Almost surely, 2^2997923040 is an apocalyptic number.

2997923040 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 2997923040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6223246848).

2997923040 is an abundant number, since it is smaller than the sum of its proper divisors (9448570656).

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

2997923040 is a wasteful number, since it uses less digits than its factorization.

2997923040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 2997923040 is about 54753.2925037390. The cubic root of 2997923040 is about 1441.9166607281.

The spelling of 2997923040 in words is "two billion, nine hundred ninety-seven million, nine hundred twenty-three thousand, forty".