40070000737 has 4 divisors (see below), whose sum is σ = 43152308500. Its totient is φ = 36987692976.

The previous prime is 40070000617. The next prime is 40070000749. The reversal of 40070000737 is 73700007004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17581699216 + 22488301521 = 132596^2 + 149961^2 .

It is not a de Polignac number, because 40070000737 - 2¹⁹ = 40069476449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40070000797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541153862 + ... + 1541153887.

It is an arithmetic number, because the mean of its divisors is an integer number (10788077125).

Almost surely, 2^40070000737 is an apocalyptic number.

It is an amenable number.

40070000737 is a deficient number, since it is larger than the sum of its proper divisors (3082307763).

40070000737 is a wasteful number, since it uses less digits than its factorization.

40070000737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082307762.

The product of its (nonzero) digits is 4116, while the sum is 28.

The spelling of 40070000737 in words is "forty billion, seventy million, seven hundred thirty-seven", and thus it is an aban number.