40835340 has 240 divisors, whose sum is σ = 158233152. Its totient is φ = 8584704.

The previous prime is 40835299. The next prime is 40835357. The reversal of 40835340 is 4353804.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 147282 + ... + 147558.

Almost surely, 2^40835340 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 40835340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79116576).

40835340 is an abundant number, since it is smaller than the sum of its proper divisors (117397812).

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

40835340 is a wasteful number, since it uses less digits than its factorization.

40835340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 40835340 is about 6390.2535160978. The cubic root of 40835340 is about 344.3594921338.

The spelling of 40835340 in words is "forty million, eight hundred thirty-five thousand, three hundred forty".