40314390 has 64 divisors (see below), whose sum is σ = 102954240. Its totient is φ = 10074240.

The previous prime is 40314389. The next prime is 40314401. The reversal of 40314390 is 9341304.

40314390 = T₁₃₁₆ + T₁₃₁₇ + ... + T₁₃₆₀.

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 40314390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60660 + ... + 61320.

It is an arithmetic number, because the mean of its divisors is an integer number (1608660).

Almost surely, 2^40314390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40314390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51477120).

40314390 is an abundant number, since it is smaller than the sum of its proper divisors (62639850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40314390 is a wasteful number, since it uses less digits than its factorization.

40314390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 40314390 is about 6349.3613852103. The cubic root of 40314390 is about 342.8888509861. Note that the first 4 decimals are identical.

Adding to 40314390 its reverse (9341304), we get a palindrome (49655694).

It can be divided in two parts, 40314 and 390, that added together give a palindrome (40704).

The spelling of 40314390 in words is "forty million, three hundred fourteen thousand, three hundred ninety".