40243618273782 has 192 divisors, whose sum is σ = 105692092151040. Its totient is φ = 10089540921600.

The previous prime is 40243618273763. The next prime is 40243618273819. The reversal of 40243618273782 is 28737281634204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 335787753 + ... + 335907579.

It is an arithmetic number, because the mean of its divisors is an integer number (550479646620).

Almost surely, 2^{40243618273782} is an apocalyptic number.

40243618273782 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40243618273782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52846046075520).

40243618273782 is an abundant number, since it is smaller than the sum of its proper divisors (65448473877258).

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

40243618273782 is a wasteful number, since it uses less digits than its factorization.

40243618273782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123467 (or 123460 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 57.

The spelling of 40243618273782 in words is "forty trillion, two hundred forty-three billion, six hundred eighteen million, two hundred seventy-three thousand, seven hundred eighty-two".