614040401 has 8 divisors (see below), whose sum is σ = 661467240. Its totient is φ = 566641152.

The previous prime is 614040379. The next prime is 614040431. The reversal of 614040401 is 104040416.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 73942801 + 540097600 = 8599^2 + 23240^2 .

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 614040401 - 2¹⁸ = 613778257 is a prime.

It is a super-2 number, since 2×614040401² = 754091228120481602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (614040431) 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, 79361 + ... + 86753.

It is an arithmetic number, because the mean of its divisors is an integer number (82683405).

Almost surely, 2^614040401 is an apocalyptic number.

It is an amenable number.

614040401 is a deficient number, since it is larger than the sum of its proper divisors (47426839).

614040401 is a wasteful number, since it uses less digits than its factorization.

614040401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13795.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 614040401 is about 24779.8385991515. The cubic root of 614040401 is about 849.9609675271.

Adding to 614040401 its reverse (104040416), we get a palindrome (718080817).

The spelling of 614040401 in words is "six hundred fourteen million, forty thousand, four hundred one".