40701945 has 16 divisors (see below), whose sum is σ = 66192192. Its totient is φ = 21351360.

The previous prime is 40701943. The next prime is 40701949. The reversal of 40701945 is 54910704.

It is a happy number.

It is not a de Polignac number, because 40701945 - 2¹ = 40701943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40701943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21327 + ... + 23156.

It is an arithmetic number, because the mean of its divisors is an integer number (4137012).

Almost surely, 2^40701945 is an apocalyptic number.

It is an amenable number.

40701945 is a deficient number, since it is larger than the sum of its proper divisors (25490247).

40701945 is a wasteful number, since it uses less digits than its factorization.

40701945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44552.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 40701945 is about 6379.8075989798. The cubic root of 40701945 is about 343.9841151174.

The spelling of 40701945 in words is "forty million, seven hundred one thousand, nine hundred forty-five".