40247040000 has 480 divisors, whose sum is σ = 137547970560. Its totient is φ = 10457088000.

The previous prime is 40247039933. The next prime is 40247040077. The reversal of 40247040000 is 4074204.

It is a tau number, because it is divible by the number of its divisors (480).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 180479889 + ... + 180480111.

It is an arithmetic number, because the mean of its divisors is an integer number (286558272).

Almost surely, 2^40247040000 is an apocalyptic number.

40247040000 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 40247040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68773985280).

40247040000 is an abundant number, since it is smaller than the sum of its proper divisors (97300930560).

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

40247040000 is an equidigital number, since it uses as much as digits as its factorization.

40247040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The spelling of 40247040000 in words is "forty billion, two hundred forty-seven million, forty thousand".