1540424040411 has 8 divisors (see below), whose sum is σ = 2124722814480. Its totient is φ = 991537313312.

The previous prime is 1540424040409. The next prime is 1540424040437. The reversal of 1540424040411 is 1140404240451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1540424040411 - 2¹ = 1540424040409 is a prime.

It is a super-2 number, since 2×1540424040411² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1540424040451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8853011640 + ... + 8853011813.

It is an arithmetic number, because the mean of its divisors is an integer number (265590351810).

Almost surely, 2^{1540424040411} is an apocalyptic number.

1540424040411 is a deficient number, since it is larger than the sum of its proper divisors (584298774069).

1540424040411 is a wasteful number, since it uses less digits than its factorization.

1540424040411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17706023485.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 1540424040411 its reverse (1140404240451), we get a palindrome (2680828280862).

The spelling of 1540424040411 in words is "one trillion, five hundred forty billion, four hundred twenty-four million, forty thousand, four hundred eleven".