40424265 has 96 divisors (see below), whose sum is σ = 85612800. Its totient is φ = 18289152.

The previous prime is 40424243. The next prime is 40424287. The reversal of 40424265 is 56242404.

It is an interprime number because it is at equal distance from previous prime (40424243) and next prime (40424287).

It is not a de Polignac number, because 40424265 - 2⁵ = 40424233 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 416697 + ... + 416793.

It is an arithmetic number, because the mean of its divisors is an integer number (891800).

Almost surely, 2^40424265 is an apocalyptic number.

40424265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40424265 is an abundant number, since it is smaller than the sum of its proper divisors (45188535).

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

40424265 is an frugal number, since it uses more digits than its factorization.

40424265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 40424265 is about 6358.0079427443. The cubic root of 40424265 is about 343.2000776321.

Adding to 40424265 its reverse (56242404), we get a palindrome (96666669).

The spelling of 40424265 in words is "forty million, four hundred twenty-four thousand, two hundred sixty-five".