40751398 has 4 divisors (see below), whose sum is σ = 61127100. Its totient is φ = 20375698.

The previous prime is 40751387. The next prime is 40751437. The reversal of 40751398 is 89315704.

40751398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10187848 + ... + 10187851.

It is an arithmetic number, because the mean of its divisors is an integer number (15281775).

Almost surely, 2^40751398 is an apocalyptic number.

40751398 is a deficient number, since it is larger than the sum of its proper divisors (20375702).

40751398 is a wasteful number, since it uses less digits than its factorization.

40751398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20375701.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 40751398 is about 6383.6821662736. The cubic root of 40751398 is about 344.1233726852.

The spelling of 40751398 in words is "forty million, seven hundred fifty-one thousand, three hundred ninety-eight".