40462220020 has 12 divisors (see below), whose sum is σ = 84970662084. Its totient is φ = 16184888000.

The previous prime is 40462220009. The next prime is 40462220027. The reversal of 40462220020 is 2002226404.

It can be written as a sum of positive squares in 2 ways, for example, as 12155503504 + 28306716516 = 110252^2 + 168246^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40462219973 and 40462220000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40462220027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011555481 + ... + 1011555520.

It is an arithmetic number, because the mean of its divisors is an integer number (7080888507).

Almost surely, 2^40462220020 is an apocalyptic number.

It is an amenable number.

40462220020 is an abundant number, since it is smaller than the sum of its proper divisors (44508442064).

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

40462220020 is a wasteful number, since it uses less digits than its factorization.

40462220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023111010 (or 2023111008 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40462220020 its reverse (2002226404), we get a palindrome (42464446424).

The spelling of 40462220020 in words is "forty billion, four hundred sixty-two million, two hundred twenty thousand, twenty".