40298782 has 4 divisors (see below), whose sum is σ = 60448176. Its totient is φ = 20149390.

The previous prime is 40298779. The next prime is 40298801. The reversal of 40298782 is 28789204.

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

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, 10074694 + ... + 10074697.

It is an arithmetic number, because the mean of its divisors is an integer number (15112044).

Almost surely, 2^40298782 is an apocalyptic number.

40298782 is a deficient number, since it is larger than the sum of its proper divisors (20149394).

40298782 is a wasteful number, since it uses less digits than its factorization.

40298782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20149393.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 40298782 is about 6348.1321662360. The cubic root of 40298782 is about 342.8445946631.

The spelling of 40298782 in words is "forty million, two hundred ninety-eight thousand, seven hundred eighty-two".