40521835554 has 32 divisors (see below), whose sum is σ = 82267475136. Its totient is φ = 13304632320.

The previous prime is 40521835463. The next prime is 40521835637. The reversal of 40521835554 is 45553812504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42187 + ... + 287790.

It is an arithmetic number, because the mean of its divisors is an integer number (2570858598).

Almost surely, 2^40521835554 is an apocalyptic number.

40521835554 is an abundant number, since it is smaller than the sum of its proper divisors (41745639582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40521835554 is a wasteful number, since it uses less digits than its factorization.

40521835554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330290.

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 40521835554 in words is "forty billion, five hundred twenty-one million, eight hundred thirty-five thousand, five hundred fifty-four".