40294071 has 16 divisors (see below), whose sum is σ = 59869920. Its totient is φ = 26784000.

The previous prime is 40294069. The next prime is 40294081. The reversal of 40294071 is 17049204.

It is a happy number.

It is not a de Polignac number, because 40294071 - 2¹ = 40294069 is a prime.

It is a super-2 number, since 2×40294071² = 3247224315506082, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40294061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8071 + ... + 12071.

It is an arithmetic number, because the mean of its divisors is an integer number (3741870).

Almost surely, 2^40294071 is an apocalyptic number.

40294071 is a deficient number, since it is larger than the sum of its proper divisors (19575849).

40294071 is a wasteful number, since it uses less digits than its factorization.

40294071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383 (or 4377 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 40294071 is about 6347.7611013648. The cubic root of 40294071 is about 342.8312344262.

It can be divided in two parts, 4029 and 4071, that added together give a square (8100 = 90²).

The spelling of 40294071 in words is "forty million, two hundred ninety-four thousand, seventy-one".