40045211554 has 4 divisors (see below), whose sum is σ = 60067817334. Its totient is φ = 20022605776.

The previous prime is 40045211551. The next prime is 40045211597. The reversal of 40045211554 is 45511254004.

It is a happy number.

40045211554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 37781640625 + 2263570929 = 194375^2 + 47577^2 .

It is not an unprimeable number, because it can be changed into a prime (40045211551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011302887 + ... + 10011302890.

Almost surely, 2^40045211554 is an apocalyptic number.

40045211554 is a deficient number, since it is larger than the sum of its proper divisors (20022605780).

40045211554 is a wasteful number, since it uses less digits than its factorization.

40045211554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20022605779.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 40045211554 its reverse (45511254004), we get a palindrome (85556465558).

The spelling of 40045211554 in words is "forty billion, forty-five million, two hundred eleven thousand, five hundred fifty-four".