40441551450020 has 48 divisors (see below), whose sum is σ = 97066496287488. Its totient is φ = 13864707239040.

The previous prime is 40441551450011. The next prime is 40441551450121. The reversal of 40441551450020 is 2005415514404.

It is a super-2 number, since 2×40441551450020² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8063672 + ... + 12079151.

It is an arithmetic number, because the mean of its divisors is an integer number (2022218672656).

Almost surely, 2^{40441551450020} is an apocalyptic number.

It is an amenable number.

40441551450020 is an abundant number, since it is smaller than the sum of its proper divisors (56624944837468).

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

40441551450020 is a wasteful number, since it uses less digits than its factorization.

40441551450020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20157180 (or 20157178 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 40441551450020 its reverse (2005415514404), we get a palindrome (42446966964424).

The spelling of 40441551450020 in words is "forty trillion, four hundred forty-one billion, five hundred fifty-one million, four hundred fifty thousand, twenty".