40314420 has 36 divisors (see below), whose sum is σ = 122287620. Its totient is φ = 10750464.

The previous prime is 40314401. The next prime is 40314451. The reversal of 40314420 is 2441304.

It can be written as a sum of positive squares in 2 ways, for example, as 25522704 + 14791716 = 5052^2 + 3846^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×40314420³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 40314393 and 40314402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111805 + ... + 112164.

Almost surely, 2^40314420 is an apocalyptic number.

It is an amenable number.

40314420 is an abundant number, since it is smaller than the sum of its proper divisors (81973200).

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

40314420 is a wasteful number, since it uses less digits than its factorization.

40314420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223984 (or 223979 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 40314420 is about 6349.3637476522. The cubic root of 40314420 is about 342.8889360398. Note that the first 3 decimals are identical.

Adding to 40314420 its reverse (2441304), we get a palindrome (42755724).

The spelling of 40314420 in words is "forty million, three hundred fourteen thousand, four hundred twenty".