40700551 has 4 divisors (see below), whose sum is σ = 42013504. Its totient is φ = 39387600.

The previous prime is 40700549. The next prime is 40700573. The reversal of 40700551 is 15500704.

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

It is a cyclic number.

It is not a de Polignac number, because 40700551 - 2¹ = 40700549 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 (40700251) 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, 656430 + ... + 656491.

It is an arithmetic number, because the mean of its divisors is an integer number (10503376).

Almost surely, 2^40700551 is an apocalyptic number.

40700551 is a deficient number, since it is larger than the sum of its proper divisors (1312953).

40700551 is a wasteful number, since it uses less digits than its factorization.

40700551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312952.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 40700551 is about 6379.6983471007. The cubic root of 40700551 is about 343.9801880378.

The spelling of 40700551 in words is "forty million, seven hundred thousand, five hundred fifty-one".