40424254 has 8 divisors (see below), whose sum is σ = 65300760. Its totient is φ = 18657336.

The previous prime is 40424243. The next prime is 40424287. The reversal of 40424254 is 45242404.

It is a happy number.

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

It is a super-2 number, since 2×40424254² = 3268240622913032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777364 + ... + 777415.

It is an arithmetic number, because the mean of its divisors is an integer number (8162595).

Almost surely, 2^40424254 is an apocalyptic number.

40424254 is a deficient number, since it is larger than the sum of its proper divisors (24876506).

40424254 is a wasteful number, since it uses less digits than its factorization.

40424254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554794.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 40424254 is about 6358.0070776934. The cubic root of 40424254 is about 343.2000465023.

Adding to 40424254 its reverse (45242404), we get a palindrome (85666658).

The spelling of 40424254 in words is "forty million, four hundred twenty-four thousand, two hundred fifty-four".