63739037040 has 640 divisors, whose sum is σ = 262680330240. Its totient is φ = 12423020544.

The previous prime is 63739037027. The next prime is 63739037053. The reversal of 63739037040 is 4073093736.

It is an interprime number because it is at equal distance from previous prime (63739037027) and next prime (63739037053).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 63739036983 and 63739037001.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 12478167 + ... + 12483273.

It is an arithmetic number, because the mean of its divisors is an integer number (410438016).

Almost surely, 2^63739037040 is an apocalyptic number.

63739037040 is a gapful number since it is divisible by the number (60) 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 63739037040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131340165120).

63739037040 is an abundant number, since it is smaller than the sum of its proper divisors (198941293200).

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

63739037040 is a wasteful number, since it uses less digits than its factorization.

63739037040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189 (or 5183 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 42.

The spelling of 63739037040 in words is "sixty-three billion, seven hundred thirty-nine million, thirty-seven thousand, forty".