2420200040 has 32 divisors (see below), whose sum is σ = 5468256000. Its totient is φ = 964025664.

The previous prime is 2420200021. The next prime is 2420200061. The reversal of 2420200040 is 400020242.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2420199988 and 2420200024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117020 + ... + 136139.

It is an arithmetic number, because the mean of its divisors is an integer number (170883000).

Almost surely, 2^2420200040 is an apocalyptic number.

2420200040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420200040 is an abundant number, since it is smaller than the sum of its proper divisors (3048055960).

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

2420200040 is a wasteful number, since it uses less digits than its factorization.

2420200040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253409 (or 253405 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2420200040 is about 49195.5286586088. The cubic root of 2420200040 is about 1342.6116808238.

Adding to 2420200040 its reverse (400020242), we get a palindrome (2820220282).

The spelling of 2420200040 in words is "two billion, four hundred twenty million, two hundred thousand, forty".