40010340 has 96 divisors (see below), whose sum is σ = 118702080. Its totient is φ = 10048896.

The previous prime is 40010309. The next prime is 40010353. The reversal of 40010340 is 4301004.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108837 + ... + 109203.

It is an arithmetic number, because the mean of its divisors is an integer number (1236480).

Almost surely, 2^40010340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40010340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59351040).

40010340 is an abundant number, since it is smaller than the sum of its proper divisors (78691740).

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

40010340 is a wasteful number, since it uses less digits than its factorization.

40010340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 40010340 is about 6325.3727162911. The cubic root of 40010340 is about 342.0246553820.

Adding to 40010340 its reverse (4301004), we get a palindrome (44311344).

The spelling of 40010340 in words is "forty million, ten thousand, three hundred forty".