45840419 has 8 divisors (see below), whose sum is σ = 47119968. Its totient is φ = 44568640.

The previous prime is 45840409. The next prime is 45840433. The reversal of 45840419 is 91404854.

It is a happy number.

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

It is not a de Polignac number, because 45840419 - 2²⁰ = 44791843 is a prime.

It is a super-2 number, since 2×45840419² = 4202688028191122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45840409) 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, 11234 + ... + 14760.

It is an arithmetic number, because the mean of its divisors is an integer number (5889996).

Almost surely, 2^45840419 is an apocalyptic number.

45840419 is a deficient number, since it is larger than the sum of its proper divisors (1279549).

45840419 is a wasteful number, since it uses less digits than its factorization.

45840419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 45840419 is about 6770.5552948041. Note that the first 3 decimals coincide. The cubic root of 45840419 is about 357.8899690985.

The spelling of 45840419 in words is "forty-five million, eight hundred forty thousand, four hundred nineteen".