40180601 has 8 divisors (see below), whose sum is σ = 40735464. Its totient is φ = 39628800.

The previous prime is 40180597. The next prime is 40180607. The reversal of 40180601 is 10608104.

40180601 = 595² + 596² + ... + 691².

It can be written as a sum of positive squares in 4 ways, for example, as 28783225 + 11397376 = 5365^2 + 3376^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40180601 - 2² = 40180597 is a prime.

It is a super-2 number, since 2×40180601² = 3228961393442402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40180607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38381 + ... + 39413.

It is an arithmetic number, because the mean of its divisors is an integer number (5091933).

Almost surely, 2^40180601 is an apocalyptic number.

It is an amenable number.

40180601 is a deficient number, since it is larger than the sum of its proper divisors (554863).

40180601 is a wasteful number, since it uses less digits than its factorization.

40180601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 40180601 is about 6338.8170031955. The cubic root of 40180601 is about 342.5091222462.

Adding to 40180601 its reverse (10608104), we get a palindrome (50788705).

The spelling of 40180601 in words is "forty million, one hundred eighty thousand, six hundred one".