40146011 has 4 divisors (see below), whose sum is σ = 41125224. Its totient is φ = 39166800.

The previous prime is 40145977. The next prime is 40146013. The reversal of 40146011 is 11064104.

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

It is a cyclic number.

It is not a de Polignac number, because 40146011 - 2¹⁰ = 40144987 is a prime.

It is a super-2 number, since 2×40146011² = 3223404398424242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40146013) 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, 489545 + ... + 489626.

It is an arithmetic number, because the mean of its divisors is an integer number (10281306).

Almost surely, 2^40146011 is an apocalyptic number.

40146011 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40146011 is a deficient number, since it is larger than the sum of its proper divisors (979213).

40146011 is an equidigital number, since it uses as much as digits as its factorization.

40146011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979212.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 40146011 is about 6336.0879886567. The cubic root of 40146011 is about 342.4108095321.

The spelling of 40146011 in words is "forty million, one hundred forty-six thousand, eleven".