40203477760 has 108 divisors (see below), whose sum is σ = 98977249728. Its totient is φ = 15646076928.

The previous prime is 40203477731. The next prime is 40203477761. The reversal of 40203477760 is 6777430204.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (40203477761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1740849 + ... + 1763791.

It is an arithmetic number, because the mean of its divisors is an integer number (916456016).

Almost surely, 2^40203477760 is an apocalyptic number.

40203477760 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 40203477760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49488624864).

40203477760 is an abundant number, since it is smaller than the sum of its proper divisors (58773771968).

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

40203477760 is an equidigital number, since it uses as much as digits as its factorization.

40203477760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23038 (or 22987 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 40.

The spelling of 40203477760 in words is "forty billion, two hundred three million, four hundred seventy-seven thousand, seven hundred sixty".