40201051 has 4 divisors (see below), whose sum is σ = 43855704. Its totient is φ = 36546400.

The previous prime is 40201043. The next prime is 40201061. The reversal of 40201051 is 15010204.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40201051 - 2³ = 40201043 is a prime.

It is a super-2 number, since 2×40201051² = 3232249003009202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40201061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1827310 + ... + 1827331.

It is an arithmetic number, because the mean of its divisors is an integer number (10963926).

Almost surely, 2^40201051 is an apocalyptic number.

40201051 is a deficient number, since it is larger than the sum of its proper divisors (3654653).

40201051 is a wasteful number, since it uses less digits than its factorization.

40201051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3654652.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 40201051 is about 6340.4298750164. The cubic root of 40201051 is about 342.5672192999.

Adding to 40201051 its reverse (15010204), we get a palindrome (55211255).

The spelling of 40201051 in words is "forty million, two hundred one thousand, fifty-one".