1554452040 has 64 divisors (see below), whose sum is σ = 4666377600. Its totient is φ = 414252032.

The previous prime is 1554451963. The next prime is 1554452071. The reversal of 1554452040 is 402544551.

It is a super-2 number, since 2×1554452040² = 4832642289320323200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1554451989 and 1554452007.

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, 241504 + ... + 247856.

It is an arithmetic number, because the mean of its divisors is an integer number (72912150).

Almost surely, 2^1554452040 is an apocalyptic number.

1554452040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1554452040 is an abundant number, since it is smaller than the sum of its proper divisors (3111925560).

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

1554452040 is a wasteful number, since it uses less digits than its factorization.

1554452040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8406 (or 8402 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 1554452040 is about 39426.5397923784. The cubic root of 1554452040 is about 1158.4014942322.

Adding to 1554452040 its reverse (402544551), we get a palindrome (1956996591).

The spelling of 1554452040 in words is "one billion, five hundred fifty-four million, four hundred fifty-two thousand, forty".