40532156654 has 32 divisors (see below), whose sum is σ = 68456361600. Its totient is φ = 17841083040.

The previous prime is 40532156633. The next prime is 40532156659. The reversal of 40532156654 is 45665123504.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40532156659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146069 + ... + 320000.

It is an arithmetic number, because the mean of its divisors is an integer number (2139261300).

Almost surely, 2^40532156654 is an apocalyptic number.

40532156654 is a deficient number, since it is larger than the sum of its proper divisors (27924204946).

40532156654 is a wasteful number, since it uses less digits than its factorization.

40532156654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466208.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 40532156654 in words is "forty billion, five hundred thirty-two million, one hundred fifty-six thousand, six hundred fifty-four".