2400431022 has 48 divisors (see below), whose sum is σ = 5698847232. Its totient is φ = 724185360.

The previous prime is 2400430997. The next prime is 2400431053. The reversal of 2400431022 is 2201340042.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2400430986 and 2400431004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18243 + ... + 71649.

It is an arithmetic number, because the mean of its divisors is an integer number (118725984).

Almost surely, 2^2400431022 is an apocalyptic number.

2400431022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2400431022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2849423616).

2400431022 is an abundant number, since it is smaller than the sum of its proper divisors (3298416210).

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

2400431022 is a wasteful number, since it uses less digits than its factorization.

2400431022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53653 (or 53650 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2400431022 is about 48994.1937580363. The cubic root of 2400431022 is about 1338.9460454581.

Adding to 2400431022 its reverse (2201340042), we get a palindrome (4601771064).

The spelling of 2400431022 in words is "two billion, four hundred million, four hundred thirty-one thousand, twenty-two".