40700340 has 192 divisors, whose sum is σ = 137894400. Its totient is φ = 9934848.

The previous prime is 40700291. The next prime is 40700351. The reversal of 40700340 is 4300704.

It is a super-2 number, since 2×40700340² = 3313035352231200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 360124 + ... + 360236.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^40700340 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 40700340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68947200).

40700340 is an abundant number, since it is smaller than the sum of its proper divisors (97194060).

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

40700340 is a wasteful number, since it uses less digits than its factorization.

40700340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 40700340 is about 6379.6818102473. The cubic root of 40700340 is about 343.9795936155.

The spelling of 40700340 in words is "forty million, seven hundred thousand, three hundred forty".