40356253 has 12 divisors (see below), whose sum is σ = 47310912. Its totient is φ = 34321560.

The previous prime is 40356223. The next prime is 40356263. The reversal of 40356253 is 35265304.

It is not a de Polignac number, because 40356253 - 2⁹ = 40355741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40356223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3276 + ... + 9562.

It is an arithmetic number, because the mean of its divisors is an integer number (3942576).

Almost surely, 2^40356253 is an apocalyptic number.

It is an amenable number.

40356253 is a deficient number, since it is larger than the sum of its proper divisors (6954659).

40356253 is a wasteful number, since it uses less digits than its factorization.

40356253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432 (or 6425 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 40356253 is about 6352.6571605904. The cubic root of 40356253 is about 343.0074967124.

The spelling of 40356253 in words is "forty million, three hundred fifty-six thousand, two hundred fifty-three".