40370481 has 10 divisors (see below), whose sum is σ = 60306642. Its totient is φ = 26913600.

The previous prime is 40370479. The next prime is 40370483. The reversal of 40370481 is 18407304.

It is an interprime number because it is at equal distance from previous prime (40370479) and next prime (40370483).

It can be written as a sum of positive squares in only one way, i.e., 39125025 + 1245456 = 6255^2 + 1116^2 .

It is not a de Polignac number, because 40370481 - 2¹ = 40370479 is a prime.

It is a super-2 number, since 2×40370481² = 3259551472342722, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (40370483) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 249120 + ... + 249281.

Almost surely, 2^40370481 is an apocalyptic number.

It is an amenable number.

40370481 is a deficient number, since it is larger than the sum of its proper divisors (19936161).

40370481 is an equidigital number, since it uses as much as digits as its factorization.

40370481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498413 (or 498404 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 40370481 is about 6353.7769082649. The cubic root of 40370481 is about 343.0478022156.

Adding to 40370481 its reverse (18407304), we get a palindrome (58777785).

The spelling of 40370481 in words is "forty million, three hundred seventy thousand, four hundred eighty-one".