40267843770 has 192 divisors, whose sum is σ = 123910528896. Its totient is φ = 8280760320.

The previous prime is 40267843711. The next prime is 40267843783. The reversal of 40267843770 is 7734876204.

It is a Curzon 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, 1555654 + ... + 1581326.

It is an arithmetic number, because the mean of its divisors is an integer number (645367338).

Almost surely, 2^40267843770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40267843770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61955264448).

40267843770 is an abundant number, since it is smaller than the sum of its proper divisors (83642685126).

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

40267843770 is a wasteful number, since it uses less digits than its factorization.

40267843770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25805 (or 25798 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 48.

The spelling of 40267843770 in words is "forty billion, two hundred sixty-seven million, eight hundred forty-three thousand, seven hundred seventy".