40154350406 has 32 divisors (see below), whose sum is σ = 64959584256. Its totient is φ = 18561312000.

The previous prime is 40154350403. The next prime is 40154350451. The reversal of 40154350406 is 60405345104.

It is a super-2 number, since 2×40154350406² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40154350403) 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, 1139126 + ... + 1173846.

It is an arithmetic number, because the mean of its divisors is an integer number (2029987008).

Almost surely, 2^40154350406 is an apocalyptic number.

40154350406 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40154350406 is a deficient number, since it is larger than the sum of its proper divisors (24805233850).

40154350406 is a wasteful number, since it uses less digits than its factorization.

40154350406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35588.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 40154350406 in words is "forty billion, one hundred fifty-four million, three hundred fifty thousand, four hundred six".