40020701 has 12 divisors (see below), whose sum is σ = 46761660. Its totient is φ = 34151040.

The previous prime is 40020677. The next prime is 40020731. The reversal of 40020701 is 10702004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35402500 + 4618201 = 5950^2 + 2149^2 .

It is not a de Polignac number, because 40020701 - 2⁶ = 40020637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40020731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10115 + ... + 13503.

It is an arithmetic number, because the mean of its divisors is an integer number (3896805).

Almost surely, 2^40020701 is an apocalyptic number.

It is an amenable number.

40020701 is a deficient number, since it is larger than the sum of its proper divisors (6740959).

40020701 is a wasteful number, since it uses less digits than its factorization.

40020701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644 (or 3637 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 40020701 is about 6326.1916663977. The cubic root of 40020701 is about 342.0541761809.

Adding to 40020701 its reverse (10702004), we get a palindrome (50722705).

The spelling of 40020701 in words is "forty million, twenty thousand, seven hundred one".