40401134435 has 32 divisors (see below), whose sum is σ = 50242498560. Its totient is φ = 31168755072.

The previous prime is 40401134363. The next prime is 40401134447. The reversal of 40401134435 is 53443110404.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40401134435 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40401134398 and 40401134407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10338752 + ... + 10342658.

It is an arithmetic number, because the mean of its divisors is an integer number (1570078080).

Almost surely, 2^40401134435 is an apocalyptic number.

40401134435 is a deficient number, since it is larger than the sum of its proper divisors (9841364125).

40401134435 is a wasteful number, since it uses less digits than its factorization.

40401134435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 40401134435 its reverse (53443110404), we get a palindrome (93844244839).

The spelling of 40401134435 in words is "forty billion, four hundred one million, one hundred thirty-four thousand, four hundred thirty-five".