40271427720 has 192 divisors, whose sum is σ = 141631701120. Its totient is φ = 10272075264.

The previous prime is 40271427719. The next prime is 40271427737. The reversal of 40271427720 is 2772417204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133492 + ... + 313628.

It is an arithmetic number, because the mean of its divisors is an integer number (737665110).

Almost surely, 2^40271427720 is an apocalyptic number.

40271427720 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 40271427720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70815850560).

40271427720 is an abundant number, since it is smaller than the sum of its proper divisors (101360273400).

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

40271427720 is a wasteful number, since it uses less digits than its factorization.

40271427720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180186 (or 180170 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 36.

The spelling of 40271427720 in words is "forty billion, two hundred seventy-one million, four hundred twenty-seven thousand, seven hundred twenty".