40263038 has 8 divisors (see below), whose sum is σ = 63947232. Its totient is φ = 18947296.

The previous prime is 40263031. The next prime is 40263053. The reversal of 40263038 is 83036204.

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

It is a super-2 number, since 2×40263038² = 3242224457978888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40262998 and 40263016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40263031) 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, 592070 + ... + 592137.

It is an arithmetic number, because the mean of its divisors is an integer number (7993404).

Almost surely, 2^40263038 is an apocalyptic number.

40263038 is a deficient number, since it is larger than the sum of its proper divisors (23684194).

40263038 is a wasteful number, since it uses less digits than its factorization.

40263038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184226.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 40263038 is about 6345.3162253744. The cubic root of 40263038 is about 342.7431998520.

The spelling of 40263038 in words is "forty million, two hundred sixty-three thousand, thirty-eight".