40880208280 has 64 divisors (see below), whose sum is σ = 96176160000. Its totient is φ = 15609095040.

The previous prime is 40880208253. The next prime is 40880208283. The reversal of 40880208280 is 8280208804.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40880208283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406471 + ... + 496969.

It is an arithmetic number, because the mean of its divisors is an integer number (1502752500).

Almost surely, 2^40880208280 is an apocalyptic number.

40880208280 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 40880208280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48088080000).

40880208280 is an abundant number, since it is smaller than the sum of its proper divisors (55295951720).

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

40880208280 is a wasteful number, since it uses less digits than its factorization.

40880208280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91024 (or 91020 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The spelling of 40880208280 in words is "forty billion, eight hundred eighty million, two hundred eight thousand, two hundred eighty".