40257262 has 4 divisors (see below), whose sum is σ = 60385896. Its totient is φ = 20128630.

The previous prime is 40257247. The next prime is 40257271. The reversal of 40257262 is 26275204.

40257262 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40257262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10064314 + ... + 10064317.

It is an arithmetic number, because the mean of its divisors is an integer number (15096474).

Almost surely, 2^40257262 is an apocalyptic number.

40257262 is a deficient number, since it is larger than the sum of its proper divisors (20128634).

40257262 is a wasteful number, since it uses less digits than its factorization.

40257262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20128633.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 40257262 is about 6344.8610701890. The cubic root of 40257262 is about 342.7268094727.

The spelling of 40257262 in words is "forty million, two hundred fifty-seven thousand, two hundred sixty-two".