40263254 has 8 divisors (see below), whose sum is σ = 60702048. Its totient is φ = 20029240.

The previous prime is 40263247. The next prime is 40263257. The reversal of 40263254 is 45236204.

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

It is a super-2 number, since 2×40263254² = 3242259245337032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40263257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50702 + ... + 51489.

It is an arithmetic number, because the mean of its divisors is an integer number (7587756).

Almost surely, 2^40263254 is an apocalyptic number.

40263254 is a deficient number, since it is larger than the sum of its proper divisors (20438794).

40263254 is a wasteful number, since it uses less digits than its factorization.

40263254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102390.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 40263254 is about 6345.3332457799. Note that the first 3 decimals coincide. The cubic root of 40263254 is about 342.7438127582.

Adding to 40263254 its reverse (45236204), we get a palindrome (85499458).

The spelling of 40263254 in words is "forty million, two hundred sixty-three thousand, two hundred fifty-four".