40348837 has 8 divisors (see below), whose sum is σ = 44971200. Its totient is φ = 35976384.

The previous prime is 40348823. The next prime is 40348849. The reversal of 40348837 is 73884304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40348837 - 2⁷ = 40348709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40348796 and 40348805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40348817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62137 + ... + 62782.

It is an arithmetic number, because the mean of its divisors is an integer number (5621400).

Almost surely, 2^40348837 is an apocalyptic number.

It is an amenable number.

40348837 is a deficient number, since it is larger than the sum of its proper divisors (4622363).

40348837 is a wasteful number, since it uses less digits than its factorization.

40348837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124955.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 40348837 is about 6352.0734410112. The cubic root of 40348837 is about 342.9864846905.

The spelling of 40348837 in words is "forty million, three hundred forty-eight thousand, eight hundred thirty-seven".