40141477 has 4 divisors (see below), whose sum is σ = 40799596. Its totient is φ = 39483360.

The previous prime is 40141447. The next prime is 40141499. The reversal of 40141477 is 77414104.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2208196 + 37933281 = 1486^2 + 6159^2 .

It is a cyclic number.

It is not a de Polignac number, because 40141477 - 2¹⁹ = 39617189 is a prime.

It is a super-2 number, since 2×40141477² = 3222676351483058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40141447) 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, 328968 + ... + 329089.

It is an arithmetic number, because the mean of its divisors is an integer number (10199899).

Almost surely, 2^40141477 is an apocalyptic number.

It is an amenable number.

40141477 is a deficient number, since it is larger than the sum of its proper divisors (658119).

40141477 is an equidigital number, since it uses as much as digits as its factorization.

40141477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658118.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 40141477 is about 6335.7301868056. The cubic root of 40141477 is about 342.3979186784.

The spelling of 40141477 in words is "forty million, one hundred forty-one thousand, four hundred seventy-seven".