2953366840 has 64 divisors (see below), whose sum is σ = 7090768800. Its totient is φ = 1103818752.

The previous prime is 2953366831. The next prime is 2953366841. The reversal of 2953366840 is 486633592.

It is a happy number.

It is a super-2 number, since 2×2953366840² = 17444751383223171200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2953366841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28864 + ... + 82096.

Almost surely, 2^2953366840 is an apocalyptic number.

2953366840 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 2953366840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3545384400).

2953366840 is an abundant number, since it is smaller than the sum of its proper divisors (4137401960).

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

2953366840 is a wasteful number, since it uses less digits than its factorization.

2953366840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53336 (or 53332 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 46.

The square root of 2953366840 is about 54344.8878920548. The cubic root of 2953366840 is about 1434.7375498856.

The spelling of 2953366840 in words is "two billion, nine hundred fifty-three million, three hundred sixty-six thousand, eight hundred forty".