40239063040 has 336 divisors, whose sum is σ = 111073594464. Its totient is φ = 13956546560.

The previous prime is 40239062989. The next prime is 40239063041. The reversal of 40239063040 is 4036093204.

It is a junction number, because it is equal to n+sod(n) for n = 40239062993 and 40239063011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40239063041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113991504 + ... + 113991856.

It is an arithmetic number, because the mean of its divisors is an integer number (330576174).

Almost surely, 2^40239063040 is an apocalyptic number.

40239063040 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 40239063040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55536797232).

40239063040 is an abundant number, since it is smaller than the sum of its proper divisors (70834531424).

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

40239063040 is a wasteful number, since it uses less digits than its factorization.

40239063040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 40239063040 in words is "forty billion, two hundred thirty-nine million, sixty-three thousand, forty".