40750215 has 16 divisors (see below), whose sum is σ = 71127936. Its totient is φ = 19757600.

The previous prime is 40750211. The next prime is 40750223. The reversal of 40750215 is 51205704.

It is not a de Polignac number, because 40750215 - 2² = 40750211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40750211) 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, 123321 + ... + 123650.

It is an arithmetic number, because the mean of its divisors is an integer number (4445496).

Almost surely, 2^40750215 is an apocalyptic number.

40750215 is a deficient number, since it is larger than the sum of its proper divisors (30377721).

40750215 is a wasteful number, since it uses less digits than its factorization.

40750215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246990.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 40750215 is about 6383.5895074793. The cubic root of 40750215 is about 344.1200427227.

Adding to 40750215 its reverse (51205704), we get a palindrome (91955919).

The spelling of 40750215 in words is "forty million, seven hundred fifty thousand, two hundred fifteen".