2211233440040 has 32 divisors (see below), whose sum is σ = 4979729481480. Its totient is φ = 883701510912.

The previous prime is 2211233439991. The next prime is 2211233440063. The reversal of 2211233440040 is 400443321122.

It can be written as a sum of positive squares in 4 ways, for example, as 1172884668004 + 1038348772036 = 1082998^2 + 1018994^2 .

It is a super-2 number, since 2×2211233440040² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211233439991 and 2211233440009.

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, 24700547 + ... + 24789906.

Almost surely, 2^{2211233440040} is an apocalyptic number.

2211233440040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211233440040 is an abundant number, since it is smaller than the sum of its proper divisors (2768496041440).

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

2211233440040 is a wasteful number, since it uses less digits than its factorization.

2211233440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49491581 (or 49491577 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 2211233440040 its reverse (400443321122), we get a palindrome (2611676761162).

The spelling of 2211233440040 in words is "two trillion, two hundred eleven billion, two hundred thirty-three million, four hundred forty thousand, forty".