40948319 has 4 divisors (see below), whose sum is σ = 42360360. Its totient is φ = 39536280.

The previous prime is 40948309. The next prime is 40948321. The reversal of 40948319 is 91384904.

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

It is not a de Polignac number, because 40948319 - 2¹⁶ = 40882783 is a prime.

It is a super-2 number, since 2×40948319² = 3353529657851522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40948309) 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, 705977 + ... + 706034.

It is an arithmetic number, because the mean of its divisors is an integer number (10590090).

Almost surely, 2^40948319 is an apocalyptic number.

40948319 is a deficient number, since it is larger than the sum of its proper divisors (1412041).

40948319 is a wasteful number, since it uses less digits than its factorization.

40948319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412040.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 40948319 is about 6399.0873568033. The cubic root of 40948319 is about 344.6767791235.

The spelling of 40948319 in words is "forty million, nine hundred forty-eight thousand, three hundred nineteen".