45840763640 has 128 divisors (see below), whose sum is σ = 124384896000. Its totient is φ = 14864391168.

The previous prime is 45840763637. The next prime is 45840763643. The reversal of 45840763640 is 4636704854.

It is an interprime number because it is at equal distance from previous prime (45840763637) and next prime (45840763643).

It is a super-2 number, since 2×45840763640² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45840763643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 533171 + ... + 613149.

It is an arithmetic number, because the mean of its divisors is an integer number (971757000).

Almost surely, 2^45840763640 is an apocalyptic number.

45840763640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45840763640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62192448000).

45840763640 is an abundant number, since it is smaller than the sum of its proper divisors (78544132360).

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

45840763640 is a wasteful number, since it uses less digits than its factorization.

45840763640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80109 (or 80105 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 45840763640 in words is "forty-five billion, eight hundred forty million, seven hundred sixty-three thousand, six hundred forty".