40280760 has 256 divisors, whose sum is σ = 153216000. Its totient is φ = 9331200.

The previous prime is 40280729. The next prime is 40280783. The reversal of 40280760 is 6708204.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 266685 + ... + 266835.

It is an arithmetic number, because the mean of its divisors is an integer number (598500).

Almost surely, 2^40280760 is an apocalyptic number.

40280760 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 40280760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76608000).

40280760 is an abundant number, since it is smaller than the sum of its proper divisors (112935240).

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

40280760 is a wasteful number, since it uses less digits than its factorization.

40280760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 40280760 is about 6346.7125348483. The cubic root of 40280760 is about 342.7934792508.

Adding to 40280760 its reverse (6708204), we get a palindrome (46988964).

The spelling of 40280760 in words is "forty million, two hundred eighty thousand, seven hundred sixty".