40921335 has 64 divisors (see below), whose sum is σ = 89564160. Its totient is φ = 17262720.

The previous prime is 40921327. The next prime is 40921343. The reversal of 40921335 is 53312904.

It is an interprime number because it is at equal distance from previous prime (40921327) and next prime (40921343).

It is not a de Polignac number, because 40921335 - 2³ = 40921327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40921299 and 40921308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10620 + ... + 13950.

It is an arithmetic number, because the mean of its divisors is an integer number (1399440).

Almost surely, 2^40921335 is an apocalyptic number.

40921335 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40921335 is an abundant number, since it is smaller than the sum of its proper divisors (48642825).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40921335 is a wasteful number, since it uses less digits than its factorization.

40921335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365 (or 3359 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 40921335 is about 6396.9785836753. The cubic root of 40921335 is about 344.6010511312.

The spelling of 40921335 in words is "forty million, nine hundred twenty-one thousand, three hundred thirty-five".