40052051 has 16 divisors (see below), whose sum is σ = 46434528. Its totient is φ = 34214400.

The previous prime is 40052041. The next prime is 40052053. The reversal of 40052051 is 15025004.

It is a cyclic number.

It is not a de Polignac number, because 40052051 - 2¹⁸ = 39789907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40052053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11996 + ... + 14966.

It is an arithmetic number, because the mean of its divisors is an integer number (2902158).

Almost surely, 2^40052051 is an apocalyptic number.

40052051 is a deficient number, since it is larger than the sum of its proper divisors (6382477).

40052051 is a wasteful number, since it uses less digits than its factorization.

40052051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 40052051 is about 6328.6689753850. The cubic root of 40052051 is about 342.1434683000.

Adding to 40052051 its reverse (15025004), we get a palindrome (55077055).

The spelling of 40052051 in words is "forty million, fifty-two thousand, fifty-one".