40420000544 has 96 divisors (see below), whose sum is σ = 103526470656. Its totient is φ = 15063333120.

The previous prime is 40420000541. The next prime is 40420000553. The reversal of 40420000544 is 44500002404.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (40420000541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299942 + ... + 413285.

It is an arithmetic number, because the mean of its divisors is an integer number (1078400736).

Almost surely, 2^40420000544 is an apocalyptic number.

40420000544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40420000544 is an abundant number, since it is smaller than the sum of its proper divisors (63106470112).

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

40420000544 is a wasteful number, since it uses less digits than its factorization.

40420000544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713278 (or 713270 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 40420000544 its reverse (44500002404), we get a palindrome (84920002948).

The spelling of 40420000544 in words is "forty billion, four hundred twenty million, five hundred forty-four", and thus it is an aban number.