40355001 has 6 divisors (see below), whose sum is σ = 58290570. Its totient is φ = 26903328.

The previous prime is 40354987. The next prime is 40355009. The reversal of 40355001 is 10055304.

It can be written as a sum of positive squares in only one way, i.e., 39501225 + 853776 = 6285^2 + 924^2 .

It is not a de Polignac number, because 40355001 - 2⁵ = 40354969 is a prime.

It is a super-2 number, since 2×40355001² = 3257052211420002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40355009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2241936 + ... + 2241953.

It is an arithmetic number, because the mean of its divisors is an integer number (9715095).

Almost surely, 2^40355001 is an apocalyptic number.

It is an amenable number.

40355001 is a deficient number, since it is larger than the sum of its proper divisors (17935569).

40355001 is a wasteful number, since it uses less digits than its factorization.

40355001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483895 (or 4483892 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 40355001 is about 6352.5586183836. The cubic root of 40355001 is about 343.0039495560.

The spelling of 40355001 in words is "forty million, three hundred fifty-five thousand, one".